Tech Company Collections2,367 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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Endless Labs logo
Endless Labs is a software company currently based in New York City, New York, United States. It has been founded in 2024.
New YorkNY10 - 502024$3,400,000
BuiltRight logo
BuiltRight helps home service businesses generate their website faster, better and cheaper than ever before using AI.
ChicagoIL5 - 102024$1,500,000
Qwiki logo
Qwiki is an industry leader in automated video production. Most recently, Qwiki released an iPhone app that automatically turns the pictures and videos from a user camera roll into brief, beautiful movies to share.
New YorkNY5 - 202024$10,500,000
Statisfy logo
Statisfy is a marketing technology platform that enables consumers and brands to easily ask and answer questions in a fun, addictive way. For brands, our tools provide targeted native advertisements and engagements with customers, giving insights and inte
BostonMA5 - 202024$17,949,576
TOUCHSCAPE logo
TouchScape Corp., a company that links businesses with consumers to ensure that consumers have current, complete product information.
PhoenixAZ1 - 102024$7,750,000
Hotlist logo
Hotlist is a location-based social media platform that helps friends coordinate plans and discover what's going on today, tomorrow, and throughout the week at millions of venues worldwide. By following Friends, Places, and Brands, users receive personaliz
New YorkNY2 - 102024$1,474,998
Remote People logo
At RemotePeople, we harness the power of diverse cultures to create meaningful employment opportunities. As a leading international recruitment agency, we connect ambitious businesses with exceptional talent from over 150 countries. Our mission is clear: t
AustinTX2 - 102024$1,300,000
ROH logo
ROH powers the future of hospitality. As a rapidly evolving proptech company, ROH’s purpose-built revenue optimization platform drives conversions, increases revenue, and enables real collaboration for the largest hospitality groups, asset owners, and thei
New YorkNY20 - 502023$29,900,000
IP Copilot logo
Discover, Capture & Manage IP - Find your top innovators, instantly capture their best ideas.
ColumbiaSC2 - 102023$5,675,990
Heyo logo
Heyo is the easiest way to capture email leads using Facebook campaigns. Build a photo contest, sweepstakes or lead capture campaign and promote it to your audience for high quality social lead generation. With their campaign builder you get access to resp
BlacksburgVA5 - 202023$2,000,000
Pythagora logo
Dev tool that builds apps from scratch by talking to users
San FranciscoCA2 - 102023$4,500,000
Patronus AI logo
Patronus AI is the leading automated AI evaluation and security company. The world-class platform enables enterprise development teams to score LLM performance, generate adversarial test cases, benchmark LLMs, and more. Customers use Patronus AI to detect
New YorkNY10 - 502023$20,000,000
Healthie logo
Healthie was founded in August 2017, with a mission to make India healthy. Healthie is one of the fastest growing food companies in the country that offers fresh, wholesome and delicious food. Their food is super delicious, good for you and prepared fresh
New YorkNY200 - 5002023
Poolside logo
Building the world's most capable AI for software development & the applications to unlock the potential of developers.
San FranciscoCA20 - 502023$626,000,000
OnLive logo
OnLive Inc. is an online video game rental service. The Company provides on-demand access to video games and supports multi-player functionality. OnLive is a subscription based service accessible via computer or by an adapter provided by OnLive.
Palo AltoCA50 - 2002023$56,500,000
Oyl logo
Oyl offers customers access to the latest trading tools in a single application. Oyl additionally provides an eponymous browser-based wallet enabling inscription swapping within the wallet.
NY10 - 502023$3,000,000
BoolSi logo
BoolSi is a command line tool for distributed simulations and analysis of synchronous Boolean networks.
BostonMA1 - 102023$1,350,000
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 FranciscoCA2 - 102023$1,200,000
CircleBack logo
CircleBack Address Book Management and Contact Updates Apps and APIs offer power productivity solutions for professionals and businesses.
ArlingtonVA10 - 502023$12,500,000
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
Moonrepo logo
moonrepo is an open-source build tool for monorepos and large codebases.
PortlandOR2 - 102022$500,000
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
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
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
Suger logo
Enable SaaS business to sell & cosell on multi cloud marketplaces (AWS, Azure, GCP, Red Hat, Snowflake & Databricks)
BiddefordME5 - 202022$3,500,000
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
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
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
Delegate logo
Delegate focuses on increasing the security of on-chain identities and digital asset management such as NFTs and ERC20 tokens.
San FranciscoCA1 - 102022$9,000,000
BeeKeeperAI logo
BeeKeeperAI is a zero trust collaboration platform protecting both algorithm IP and regulated data.
San FranciscoCA10 - 502022$12,100,000
Kantata logo
Kantata takes professional services automation to a new level, giving people-powered businesses the clarity, control, and confidence they need to optimize resource planning and elevate operational performance. Their purpose-built cloud software is helping
IrvineCA500 - 1,0002022$111,464,000
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
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
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
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
Anysphere logo
Anysphere is a company that builds Artificial Intelligence tools and assistants to help humans.
BuffaloNY2 - 102022$68,400,000
Holder logo
Holder is a web3 CRM and marketing automation platform that powers customer data for the tokenized world.
IndianapolisIN10 - 502022$1,085,000
Integris logo
Integris is a different kind of background screening company, one that puts your needs first. With customizable cloud-based solutions, Integris scales to fit your business and your workflow.
BellevueWA10 - 502022$6,672,323
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
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$7,800,000
Prodia logo
Prodia is a multimedia design software and developer of artificial intelligence that creates APIs and images.
AtlantaGA5 - 202022$15,000,000
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
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
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
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
Rep.ai logo
ServiceBell is an internet-based platform that helps website visitors with embedded live video chat for sales & retention growth.
New YorkNY5 - 102021$7,500,000
Resound logo
We want to give creators back their time by automating the entire post-production
ProspectKY5 - 202021$1,350,000
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
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
Kyndryl Holdings logo
Kyndryl is a information technology & services company.
New YorkNY80,0002021$500,000,000
Rainbow logo
We’re transforming insurance into a positive, risk-preventing force for small businesses, starting with restaurants. As your business grows and takes big steps forward (or experience occasional slowdown), we’re here for you behind the scenes. We show up in
San FranciscoCA20 - 1002021$12,000,000
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
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
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
Buyk logo
Buyk is a high-availability, virtual grocery store.
New YorkNY200 - 5002021$46,000,000
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
Bunkyr logo
Zero‑Knowledge security without seed phrases or backup codes
DenverCO2 - 102021$1,000,000
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
Beacon AI logo
Beacon AI builds pilot assistant technology, effectively R2-D2 for pilots. Beacon AI is building the future of flight safety for commercial, charter, and defence fleets.
San FranciscoCA10 - 502021$19,597,860
Nira logo
Nira is a real-time access control system that is purpose-built to provide complete visibility into each and every document, employee, and external party that has access to company documents. Time-consuming issues such as incomplete employee offboarding, h
San FranciscoCA20 - 502021
Odyssey logo
Odyssey is the first business to create a product specifically for managing education savings accounts and microgrants.
NyackNY5 - 102021$14,750,000
Reframe Technologies logo
Building an 'Organized Work Environment' that brings applications, people, and the right information together. It's how work should work.
New YorkNY5 - 202021$5,000,000
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
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
Sutro Software logo
Sutro enables entrepreneurs to focus on product ideas, and not on the tech
San FranciscoCA5 - 102021$8,242,997
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
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
Stepful logo
Stepful helps those without college degrees train for and find entry-level healthcare jobs.
New YorkNY10 - 502021$36,255,272
Kado logo
Kado is developing payment infrastructure for web3 and the future of digital money. It offers consumers and businesses solutions for easier access to and utility of stablecoins. It enables users to convert fiat to cryptocurrency using a variety of payment
Salt Lake CityUT5 - 202021$5,400,000
Based logo
Based is a communication platform which is build over the NFT .
Los AngelesCA10 - 502021$3,500,000
TheNFTProject logo
TheNFTProject is the worlds first Black owned digital nft token marketplace fully integrated with web3/blockchain technology. This company is home to the best development core in the United States of America. Since early 2021 , TheNftProject has been commi
AtlantaGA10 - 502021$15,000,000
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
OmniNetwork logo
OmniNetwork is an Ethereum interoperability protocol, focusing on the field of blockchain technology services.
New YorkNY10 - 202021$18,000,000
Patron logo
Patron is an early-stage venture firm investing in the convergence of games, consumers, and Web 3.
Santa MonicaCA10 - 2002021
Treat logo
View the health of your customer data, fill in the gaps, enrich customer profiles, and personalize the customer journey to increase CLV
New YorkNY5 - 202021$296,000
Nikkl logo
Nikkl provides capital to unicorn employees so that employees can exercise their vested options to purchase shares, significantly reduce their taxes, and gain near-term liquidity. Nikkl is a minority business enterprise.
PhoenixAZ5 - 102021$5,000,000
Backflip logo
Backflip allows end-users to instantly sell old electronics - without any haggling, shipping boxes or labels - and get paid within 24 hours.
San FranciscoCA50 - 1002021$21,001,000
Streamflow logo
StreamFlow is an IT firm that offers a token distribution platform to help teams manage finances, including payroll.
DenverCO5 - 202021$3,500,000
CIRCLES logo
Swipe through short videos on data science from industry experts and peers
New YorkNY50 - 2002021$1,250,000
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
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
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
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
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
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 YorkNY100 - 5002021$138,450,000
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
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$7,000,000
RCRDSHP logo
RCRDSHP is a digital collectibles platform for electronic music.
CasperWY50 - 1002021$5,000,000
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
Contlo logo
Contlo is a customer data and marketing platform for ecommerce stores
NewarkDE50 - 1002021$14,299,992
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
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
Fractal logo
Fractal is an in-game asset and virtual world marketplace where users may find, purchase, and sell gaming NFTs.
San FranciscoCA10 - 502021$35,000,000
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
Zenti logo
The founders of Zenti have combined their dedication to their family unit with their knowledge of business and law, to create a processing company that was built to provide businesses with a healthier financial industry without scarifying customer support
Palo AltoCA5 - 202021$1,500,000
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
Soot logo
Soot is the creator of a visual filesystem used to organize content for creative activities.
New YorkNY10 - 502021$7,200,000
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
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
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
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