Tech Company Collections2,115 companies that use ruby on rails

What is Ruby On Rails?

Ruby on Rails, often simply referred to as Rails, is a popular open-source web application framework written in the Ruby programming language. It was created by David Heinemeier Hansson and released in 2004. Rails follows the Model-View-Controller (MVC) architectural pattern, which helps developers structure and organize their code for building dynamic and interactive web applications.

Here's a breakdown of the components and concepts associated with Ruby on Rails:

  1. Ruby: Ruby is a dynamic, object-oriented programming language known for its simplicity and readability. It's the programming language in which Ruby on Rails is written.

  2. Framework: A framework is a pre-built collection of libraries, tools, and conventions that simplifies and accelerates the development of specific types of applications. Rails provides a set of tools and best practices for building web applications.

  3. Model-View-Controller (MVC): Rails follows the MVC architectural pattern, which separates an application's concerns into three main components:

    • Model: Represents the data and business logic of the application. It interacts with the database and handles data-related operations.
    • View: Deals with the presentation layer of the application. It generates the user interface and displays data to users.
    • Controller: Acts as an intermediary between the model and the view. It handles user requests, processes data, and communicates between the model and view.
  4. Convention over Configuration (CoC): Rails promotes a philosophy of providing sensible defaults and conventions, reducing the need for developers to make explicit configuration choices. This approach speeds up development by reducing decision-making overhead.

  5. Don't Repeat Yourself (DRY): Rails emphasizes code reusability and maintainability through the DRY principle. It encourages developers to write code once and reuse it where needed, reducing duplication and improving consistency.

  6. Gems: Gems are reusable packages or libraries in the Ruby ecosystem that enhance Rails applications. Developers can easily integrate gems to add specific functionalities without building everything from scratch.

  7. ActiveRecord: ActiveRecord is a component of Rails responsible for handling database interactions. It provides an object-relational mapping (ORM) layer, allowing developers to work with databases using Ruby classes and objects instead of writing SQL queries directly.

  8. RESTful Architecture: Rails encourages the use of Representational State Transfer (REST) principles for designing web APIs and applications. This approach promotes clean, predictable URLs and actions for managing resources.

  9. Scaffolding: Rails offers a feature called scaffolding, which generates a set of pre-defined code for creating basic CRUD (Create, Read, Update, Delete) operations for a specific model. This speeds up the initial development process, although it's often customized as the application evolves.

Overall, Ruby on Rails is widely used for developing web applications due to its developer-friendly nature, productivity-enhancing features, and vibrant community. It has been utilized to create a variety of websites, from simple blogs to complex e-commerce platforms and social networks.

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Metoro logo
Metoro is an AI-powered site reliability engineer. Engineers can ask Metoro questions like “Why is my web app down”, Metoro will investigate and return a custom debugging dashboard with the root cause and potential fixes.
San FranciscoCA1 - 102023$500,000
DioxusLabs logo
Dioxus is a Rust library inspired by React that focuses on developer experience. Create quick, stylish, and feature-rich apps for any platform in less time.
San FranciscoCA1 - 102023$500,000
Pythagora logo
Dev tool that builds apps from scratch by talking to users
San FranciscoCA2 - 102023$4,500,000
BoolSi logo
BoolSi is a command line tool for distributed simulations and analysis of synchronous Boolean networks.
BostonMA1 - 102023$1,350,000
Refine logo
Refine provides a react-based web application development platform to assist businesses in producing better web applications with fewer resources and less time invested. Refine provides a ton of pre-built functionality for quick development without sacrifi
NewarkDE20 - 502022$3,800,000
Anysphere logo
Anysphere is a company that builds Artificial Intelligence tools and assistants to help humans.
BuffaloNY2 - 102022$68,400,000
Antimetal logo
Making cloud savings automated, effortless, and risk-free. Start saving in 2-3 minutes, no code or engineering required.
New YorkNY5 - 202022$4,300,000
Suger logo
Enable SaaS business to sell & cosell on multi cloud marketplaces (AWS, Azure, GCP, Red Hat, Snowflake & Databricks)
BiddefordME5 - 202022$3,500,000
BeeKeeperAI logo
BeeKeeperAI is a zero trust collaboration platform protecting both algorithm IP and regulated data.
San FranciscoCA10 - 502022$12,100,000
LIBLAB logo
LibLab offers SDK-as-a-service for companies who want to have SDKs for their APIs. LibLab offers free, open-source code generators for SDKs as well as premium tools for SDK management.
DallasTX10 - 502022$50,000,000
Adept AI logo
Adept AI is a research and product AI lab that automates software processes for developers. It's similar to robotic process automation (RPA), or software robots that use a combination of automation, computer vision, and machine learning to automate repetit
San FranciscoCA100 - 5002022$415,000,000
Emancro logo
Emancro’s mission is to build general-purpose hospital logistics robots that perform a wide variety of tasks such as organizing and distributing medication and medical supplies within hospitals. In this way, robots are freeing up medical staff’s time and e
BerkeleyCA2 - 102022$3,500,000
Safary logo
Safary is a community-first company rebuilding the marketing stack in web3 starting with attribution. Web3 teams use our platform to understand their marketing CAC, channel ROI, and customer LTV.
San FranciscoCA10 - 502022$2,400,000
Beam logo
BEAM is a brand engagement and asset management platform ushering in the new era of the Brand Concierge. While built on the same core functionality, each BEAM brand center is unique. You can create a site that aligns with every aspect of your brand to tell
ChicagoIL50 - 2,0002022$5,170,000
Procurement Sciences AI logo
Procurement Sciences AI is a Vertical AI SaaS that offers a transformative platform powered by advancements in generative AI. A growth-stage vertical AI SaaS company was disrupting the government contracting procurement process from start to finish with va
Washington, D.C.10 - 502022$11,200,000
Eugit Therapeutics logo
Eugit Therapeutics is a therapeutics company that is working to create immunotherapies for the treatment of prostate, ovarian, and breast malignancies. Their gene engineering strategy begins with gamma delta T cells taken from healthy donors and develops a
San CarlosCA2 - 102022$500,000
Moonrepo logo
moonrepo is an open-source build tool for monorepos and large codebases.
PortlandOR2 - 102022$500,000
LiveWire logo
Livewire is the first publicly traded motor cycle company. They made their vehicles EV in a pressure-free environment. Their one's traction control to desired level of input with three settings.
MalibuCA100 - 5002022$300,000,000
Holder logo
Holder is a web3 CRM and marketing automation platform that powers customer data for the tokenized world.
IndianapolisIN10 - 502022$1,085,000
Parallel logo
Parallel is a load test platform focused on developer experience. Parallel reduces the time to set up a load test from weeks to minutes, and enables anyone to run a load test, without needing dev-ops, infrastructure, or backend engineers.
ChicagoIL1,000 - 2,0002022
NumberOne AI logo
NumberOne AI is a startup that applies Artificial Intelligence (AI) and Machine Learning (ML) to broad global challenges.
Newport BeachCA10 - 502022$13,000,000
Platformatic logo
Platformatic accelerates the development of backends and simplifies the complexity of operating them. They give developers the building blocks, frameworks, and automations to build any bespoke platform, instructions included.
San FranciscoCA5 - 102022$3,500,000
UCLA DevX logo
We are a design, technology, and entrepreneurship organization at UCLA focused on solving pressing problems on our campus. We aim to turn the the theory we learn in the classroom into real software products that benefit the UCLA Bruin community. We work in
Los AngelesCA50 - 1002022
Infinity AI logo
Infinity AI is an automated synthetic data platform for ML engineers. The company’s self-serve API and suite of tools make it easy for engineers to turn one real-world video into hundreds of similar (and perfectly labeled) synthetic videos. Motivated by th
San FranciscoCA10 - 502021$5,500,000
Hgen logo
Hgen is on a mission to decarbonize the 25% of global carbon emissions that can be best addressed by affordable green hydrogen.
Los AngelesCA5 - 102021$2,000,000
Canonical Crypto logo
Canonical Crypto is an early-stage venture capital fund that invests in technology companies building web3 and blockchain infrastructure. They fund and support developer-entrepreneurs that are creating the tools and services required for the successful dep
San FranciscoCA1 - 102021$20,000,000
Cabal logo
Cabal is a private workspace to send, ask & update, track contributions, and scale the advisory program for founders &investors.
MoragaCA5 - 102021$125,000
Singularity Data logo
Building the next-generation streaming database in the cloud.
Santa ClaraCA10 - 502021
Ocular Diagnostics logo
We're an innovative, venture-backed company focused on increasing the accuracy of neurobehavioral diagnostics, starting with ADHD. Our platform enables accurate and efficient detection of ADHD using different types of oculometrics and AI-based predictive a
New YorkNY5 - 102021$130,000
Hydra logo
Hydra is an open source Snowflake alternative that transforms Postgres into a fast, scalable data warehouse. With Hydra, engineers can standardize both transactional and analytics workloads around the familiar Postgres syntax, tools, and ecosystem without
San FranciscoCA5 - 102021
StandardCode logo
StandardCode makes it easy for companies to comply with child data privacy laws such as COPPA and GDPR-K.
Los AngelesCA10 - 2002021$8,695,000
Firezone logo
Firezone is an open-source VPN server and Firewall, that makes it easy to manage secure remote access to your company’s private networks. We leverage modern technologies, including the lightweight and blazing fast tunneling protocol WireGuard, to be perfor
Mountain ViewCA5 - 102021$500,000
Resound logo
We want to give creators back their time by automating the entire post-production
ProspectKY5 - 202021$1,350,000
Orkes logo
Orkes enables you to reliably run your Microservices and Workflow Orchestration at scale. Orkes Conductor is a cloud hosted, fully managed version of Netflix Conductor OSS offering full compatibility with the open source version. Orkes is founded by ex-Net
CupertinoCA20 - 502021$29,300,000
Better Stack logo
Delightful observability tools that turn your logs & monitoring into a secret weapon for shipping better software faster.
San FranciscoCA20 - 502021$28,600,000
Tabular logo
Tabular Technologies is building an independent data automation platform powered by the open-source standard for huge analytic datasets, Apache Iceberg.
San JoseCA20 - 502021$37,000,000
Candy logo
Candy Digital is an rapid-growth NFT (Digital Collectables) company that allows fans to buy, sell, and trade officially licensed non-fungible tokens (also known as NFTs, Digital Assets, Digital Collectables). Candy was launched by Fanatics, Michael Rubin,
New YorkNY20 - 502021
Salish Bioscience logo
Salish Bioscience is an oncology diagnostics company that develops advanced liquid biopsies. Their mission is to meaningfully improve patient outcomes by developing tools that accurately and definitively answer the question ''what is the status of my cance
SeattleWA10 - 502021$7,037,397
Prive Technologies logo
Prive Technologies, LLC provides computer hardware products and services. The Company serves customers in the State of Texas.
San FranciscoCA100 - 5002021$4,750,000
Yard Stick PBC logo
Yard Stick measures soil carbon. Scientists and farmers alike know that climate-friendly agricultural practices have the potential to remove atmospheric CO2 at gigaton/year scale. When these practices are adopted, more carbon is stored in soils, improving
CambridgeMA10 - 502021$36,020,856
Tradesy logo
Tradesy is an online peer-to-peer resale marketplace for buying and selling women's fashion. The company is headquartered in Santa Monica, California.
Santa MonicaCA100 - 5002021$187,728,832
Boomerang logo
Boomerang is a fast-growing startup in the returns logistics space, with a mission to revolutionize online returns. Boomerang was founded in 2021 by former Walmart.com, UPS, and Deloitte veterans, who are using over 30 years of retail and logistics experi
AtlantaGA100 - 2002021
Vinyl Capital logo
Vinyl Capital, LLC operates as a venture capital firm. The Firm focuses on investments in early stage and growth start-up companies.
BostonMA2 - 102021
Mint Songs logo
Mint Songs offers digital music collectibles and helps music artists build vibrant web3 communities with NFTs.
Washington, D.C.5 - 202021$4,250,000
Syber.ai logo
Syber.ai is an API security platform that is responsible for protecting all civilian assets in Israel through cybersecurity solutions.
IL1 - 102021
Evergrow logo
At Evergrow, we use technology to create products that unlock funding for decarbonization. We partner with project developers, corporations, and financial institutions to help build and sustain a carbon neutral world. Our team has experience across corpora
San FranciscoCA20 - 502021$14,000,000
Candor logo
Candor is an organization. It has been founded by Bob Shinn.
MiamiFL5 - 102021$5,000,000
Contlo logo
Contlo is a customer data and marketing platform for ecommerce stores
NewarkDE50 - 1002021$14,299,992
Trunk logo
Trunk is an organization currently based in San Francisco, California, United States. It has been founded in 2021 by Matt Matheson.
San FranciscoCA50 - 1002021$28,525,000
Benefitbay logo
Benefitbay is the first-of its-kind, end-to-end solution that enables employers to easily model, deploy and oversee their ICHRA plans, in full compliance with regulation and with full confidence that their employees will have tools and support to select an
OmahaNE20 - 502021$7,527,393
HealthLeap logo
Our mission at HealthLeap is to improve global health through better nutrition. We're addressing one of the most significant contributors to global deaths by building a clinical assistant to help healthcare professionals better treat/prevent disease-relat
San FranciscoCA5 - 202021$1,100,000
Agave logo
Agave makes it easy for developers to integrate with software used in the construction industry. We do this by unifying fragmented and legacy systems in a well-documented API that any developer can use to integrate in hours, not weeks.
Palo AltoCA10 - 502021$4,400,000
Sydecar logo
Sydecar is a provider of financial advisory and management services to founders, casual investors, and other related markets. It particularizes in deal syndication, simplifying and cleaning up the capitalization table, setting up a special purpose vehicle,
WalnutCA20 - 1002021$16,378,995
RCRDSHP logo
RCRDSHP is a digital collectibles platform for electronic music.
CasperWY50 - 1002021$5,000,000
Aptos logo
Aptos is a new, independent project focused on delivering the safest and most production-ready Layer 1 blockchain in the world. The team is comprised of the original creators, researchers, designers, and builders of Diem, the blockchain that was first buil
Palo AltoCA100 - 2002021$350,000,000
Govly logo
Govly is building a market network for government contracting, like AngelList for government procurement. Govly connects OEMs, VARs, and prime contract holders in a single network, with real-time opportunities from non-public contract feeds and a suite of
DenverCO10 - 502021$13,100,000
Vytyl Health Management logo
Vytyl Health Management delivers quality mental health care to adolescents and transitional-age youth. The organization firmly believes that connection forms the basis for healing. They recognize the significant challenges ahead but remain steadfast in the
New HavenCT100 - 5002021$34,275,000
Bunkyr logo
Zero‑Knowledge security without seed phrases or backup codes
DenverCO2 - 102021$1,000,000
SEEKR logo
Seekr is an internet technology company that prioritizes transparency and empowers choice and control by streamlining access to reliable information.
ViennaVA50 - 1002021$129,500,000
SuperDAO logo
About SuperDAO is an Ethereum decentralized governance system for incentivized collaborative management of disruptive, economical viable dapp ventures. SuperDAO is an Efficient, tiered & reputation based, Ethereum decentralized governance system for incent
San FranciscoCA50 - 1002021$11,500,000
Handle logo
Our attention is our most precious resource and we’re wasting it. We could be using it to be better spouses, parents, employees, and friends but instead we’re using it to figure out what needs to get done and too often being diverted to things that don’t m
San FranciscoCA10 - 502021$22,010,000
Tangibly logo
Tangibly is a platform for businesses to manage their intellectual property by securing their trade secrets in legally enforceable form.
SeattleWA5 - 102021$17,407,492
Tinyman logo
Tinyman is a decentralized trading protocol that utilizes the fast and secure framework of the Algorand blockchain, creating an open and safe marketplace for traders, liquidity providers, and developers.
BostonMA5 - 202021$2,500,000
Raise Robotics logo
Raise Robotics equips contractors with an extra set of hands. We help our customers build better by ensuring high-quality construction and creating safer job sites. With our machines, it’s easy, safe, and fast to get great results. Let’s build.
San FranciscoCA5 - 202021
Sutro Software logo
Sutro enables entrepreneurs to focus on product ideas, and not on the tech
San FranciscoCA5 - 102021$8,242,997
Redi.Health logo
Redi.Health is a healthcare technology company that develops health management platforms for patients. The company aims to connect patients with chronic diseases to patient support programs. These programs are created in partnership with pharmaceutical man
ColumbusOH10 - 502021$19,000,000
Pomelo logo
The new infrastructure to launch and scale financial services in Latin America in weeks (and not in years!)
200 - 5002021$103,000,000
SigScalr logo
SigScalr built to process large volumes of log data with minimal resources. SigScalr works with logging agents such as fluentbit, fluentd, vector, logstash, and open telemetry, and supports a subset of es dsl for integration with existing pipelines. Exist
NashuaNH5 - 102021$1,760,000
Odyssey logo
Odyssey is the first business to create a product specifically for managing education savings accounts and microgrants.
NyackNY5 - 102021$14,750,000
NovelAI logo
NovelAI is a subscription-based service that leverages artificial intelligence to assist in authorship and storytelling. It offers a platform for creating unique stories, thrilling tales, and romantic narratives, or simply for experimenting with language.
WilmingtonDE1 - 1002021
Buyk logo
Buyk is a high-availability, virtual grocery store.
New YorkNY200 - 5002021$46,000,000
Doss Games logo
Doss is a web3.0 metaverse creator app on mobile. Creators can mint their own social tokens, build metaverses, conduct real time metaverse events, build and play personalised games, etc.
10 - 502021331602 INR
Moby logo
Moby provides regular investors access to tactics that were previously only available to Wall Street's behemoths. Founded in 2021 and is based in New York, New York, United States.
New YorkNY5 - 102021$1,250,000
Obol Labs logo
Obol Labs Inc is an R&D development team focused on proof-of-stake infrastructure for public blockchain networks. Specific topics of focus are Internet Bonds, Distributed Validator Technology and Multi-Operator Validation.
OttawaIL5 - 202021$12,500,000
Themis AI logo
Themis AI, a spinoff from CSAIL MIT, was founded by MIT alumni and professors to empower the world to create, advance, and deploy trustworthy AI. Themis' technology enables trustworthy AI in high risk scenarios, rare events and anywhere imbalances and bias
CambridgeMA10 - 502021$2,000,000
Alice logo
Alice is a decentralized finance mobile application that enables users to send money to friends. The app is powered by an automated and decentralized interest-rate protocol that cuts out middlemen to offer direct access to DeFi. Alice is backed by Arringto
Los AngelesCA20 - 502021$2,130,000
Stepful logo
Stepful helps those without college degrees train for and find entry-level healthcare jobs.
New YorkNY10 - 502021$36,255,272
WorldQL logo
WorldQL provides intuitive APIs for peer-to-peer trading and activity-based payouts, enabling developers and players to experience frictionless virtual commerce.
New CastleDE2 - 102021$500,000
Solarmente logo
SolarMente is a software platform that provides solar hardware, installation, warranties, financing, insurance, and technical support. The company was founded in 2020 and is headquartered in Barcelona, Catalonia.
20 - 502020
Knack logo
Unique art, and handmade items. http://Knackit.co is the marketplace that powers your creativity IG @its_knack | TikTok @knackit_co
WoodbridgeNJ200 - 5002020
Pashi logo
Pashi is the operating system for manufacturing. It unifies the entire production process for any product, encompassing operator instruction & data input interfaces stage logic & parameter thresholding machine interfacing & configuration robot programming
San FranciscoCA5 - 102020
Curve Health logo
Curve Health is senior care without walls. Founded in April of 2020 on a platform that’s reduced patient transfers from Skilled Nursing Facilities (SNFs) to Emergency Departments by 50%+, Curve advances connected senior care by bridging the silos that hind
MiamiFL20 - 502020$18,000,000
Best Shot logo
Founded on the belief that we are stronger together than we are alone, Rescripted is committed to improving the fertility patient experience with a tech-enabled holistic care platform, which includes a vibrant & supportive community, trusted content, medic
DenverCO10 - 502020$120,000
MagicBell logo
MagicBell is a cloud-based notification inbox for product notifications. The features of the product include design customization, code collaboration, API-based notification delivery, automated workflow updates, UI customization, data retention, etc.
San FranciscoCA5 - 202020$4,900,000
Reflexer Labs logo
Reflexer Labs is a new decentralized finance project aimed at softening volatility.
WilmingtonDE5 - 102020$5,820,000
Vartana logo
Close more deals, faster with Vartana's payment plans.
San FranciscoCA50 - 1002020$89,000,000
Oyster logo
Oyster mission is to remove the barriers between talented people and great full-time jobs at a global scale. believe it should be easy for any company to hire any person, no matter where either is located in the world. Now more than ever, smart companies c
San FranciscoCA500 - 1,0002020$283,200,000
ProjectDiscovery logo
ProjectDiscovery is a remote-first open-source cyber security software company.
San FranciscoCA20 - 1002020$26,700,000
Pludo logo
Pludo is a private messaging service made with the intention of making fan chats profitable. The company's platform enables easy communication between creators and followers by providing paid direct messages to cut through the clutter and interactive text
Los AngelesCA1 - 102020$4,609,665
Petfolk logo
Petfolk is a veterinary healthcare company that provides a connected community for today's vets, pets, and pet owners. It combines telehealth with brick-and-mortar and mobile clinics to make it easier for pet owners to book appointments and access follow-u
League CityTX100 - 5002020
Runway logo
Runway is a contemporary fashion retailer that brings together the hottest trends with the most innovative designers and brands from around the world. We also offer complementary lifestyle pieces that have been hand-selected to match our products for a loo
New YorkNY5 - 202020$2,000,000
Trident Bioscience logo
Trident Bioscience is a biotech company that stays abreast of the latest technological trends in leading protein structure.
Mountain ViewCA1 - 102020$125,000
Budding Beats India logo
Budding Beats is a USA based Business magazine run by Foxhog Ventures Corp. A venture capital firm based at California USA. The magazine Focuses on stories of young and dynamic personality, business and people from different verticals including Healthcare,
KaleponiMD2 - 102020333449 INR
The Juice logo
The Juice is a curated discovery and distribution platform for branded B2B content. Sign up now to receive an invitation to our exclusive beta program.
IndianapolisIN10 - 502020$4,317,223
Covie logo
Covie develops a platform that connects innovative businesses to insurance data. Its platform solution retrieves and validates insurance records in real-time, directly from the issuing carrier. One integration allows users to work with data from any of its
AustinTX20 - 502020$4,220,000
Polywork logo
We've got something cooking in the professional network space.
New YorkNY20 - 502020$44,618,000
Recurrent logo
We provide car dealers and private party buyers with vehicle reports for used electric cars. Understanding the battery health and typical ranges of electric cars as they age is more complicated. And it's more important than knowing the odometer reading.
SeattleWA20 - 502020$24,251,958
DRAFT logo
We help corporations and startups grow together. We work with leading corporations to define their key growth areas. Then, we actively scout great ready-to scale startup teams from global startup ecosystems and support collaborative new business developm
New YorkNY50 - 1002020$5,600,000
UserEvidence logo
UserEvidence is a SaaS platform that provides customer success stories and statistical evidence.
JacksonWY20 - 502020$9,000,000
AboveBoard logo
AboveBoard is a startup building a global securities trading system on top of Ethereum tokens. The company is run by an experienced entrepreneur and programmer who has worked with globally distributed teams.
New YorkNY20 - 1002020$9,000,000
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