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Ruby on Rails, often simply Rails, is an extensive open-source web-application framework written in the Ruby programming language.

OpenPipe is an open-source platform designed for fine-tuning and hosting machine learning models.

Warrant is a highly scalable, centralized authorization service inspired by Google Zanzibar designed for developers to easily define, query, and audit application authorization models and access control rules.

Gluestick is a compact Python module developed by the hotglue team, designed to streamline standard Extract, Transform, and Load (ETL) processes.

Rivet is an open-source platform designed to simplify the deployment, scaling, and operation of multiplayer games.

Noya is an open-source Design Tool SDK aimed at simplifying the creation of design and creative tools.

Mintplex Labs' AnythingLLM provides a powerful, open-source, and privacy-centric application designed for creating a multi-user ChatGPT environment that can interface with any Large Language Model (LLM) and vector database.

Pipeline, developed by Mystic AI, is an open source Python SDK designed for crafting AI and Machine Learning workflows with ease.

Evidently is an open-source Python library designed for data scientists and machine learning engineers to evaluate, test, and monitor machine learning models from the validation stage all the way through to production.

Laudspeaker is an open-source customer engagement and product onboarding platform designed as an alternative to proprietary services like Braze, OneSignal,, Appcues, and Pendo.

Porter is a Kubernetes-powered Platform as a Service (PaaS) that enables users to run their infrastructure in their own cloud provider, including AWS, GCP, and Azure. is an innovative, open-source, full-stack monitoring platform designed to support modern developers in understanding and optimizing their web applications' performance and reliability.

**Twenty: The Open-Source CRM Revolution** Twenty is an innovative, community-powered project aimed at redefining the Customer Relationship Management (CRM) landscape.

Matano is an open-source, cloud-native security data lake designed specifically for AWS.

SpiceDB is an open-source database system inspired by Google Zanzibar, designed to manage and enable fine-grained access control for customer applications.

Wasp is an innovative, open-source framework designed to streamline the process of developing full-stack web applications with React and Node.js. is an open-source infrastructure and data orchestration platform specifically designed for risk decisioning.

LiteLLM is a versatile software tool designed to streamline the interaction with a wide array of Large Language Model (LLM) APIs through a unified OpenAI-compatible interface.

LanceDB is an open-source, developer-friendly, serverless vector database optimized for AI applications that enables efficient long-term memory integration for LLM (Large Language Model) apps.

Moon is a versatile task runner and repository management tool designed for the web ecosystem, leveraging the power of Rust for high performance, efficiency, and low memory usage.

Redis is an advanced in-memory database that supports persisting data on disk, offering a versatile key-value data model.

Supabase is an open-source platform that provides developers with a comprehensive suite of tools designed to facilitate the rapid development of web and mobile applications.

Karate is an open-source tool designed to simplify test automation, combining API test automation, mocks, performance testing, and UI automation into a single, unified framework.

Refine is an open-source, headless React framework designed for rapid development of a broad range of web applications, including internal tools, admin panels, dashboards, and B2B apps.

PandasAI is an innovative Python-based tool designed to enhance the capabilities of the widely-used pandas library, enabling conversational data analysis.

CustomerOS, developed by Openline Technologies Inc., is an innovative open source platform designed to recenter and streamline customer interactions within your work.

Ivy is an open-source, unified Artificial Intelligence (AI) framework designed to streamline and enhance the process of developing machine learning models.

Payload is an open-source app framework and headless CMS designed to streamline the development of modern backends and admin UIs.

Curvenote is an open-source tool that facilitates the creation, editing, sharing, and publishing of scientific and technical documents.

Lago is an open-source API designed for metering and usage-based billing, offering a comprehensive solution for consumption tracking, subscription management, pricing models, payment orchestration, and revenue analytics.

OpenLLMetry by Traceloop is an open-source tool designed to provide comprehensive observability for your Large Language Model (LLM) application.

SST is an open-source framework designed to simplify building full-stack applications on AWS.

Formance Ledger, originally known as numary, is an open-source project that provides a programmable financial ledger designed for building applications involved in money movement.

Medplum is a comprehensive healthcare platform designed to streamline the development of compliant, high-quality healthcare applications.

LangChain is an open-source framework designed to develop context-aware reasoning applications by leveraging language models.

Danswer is an innovative tool designed to empower teams by allowing them to ask questions in natural language and receive answers based on their team's specific documentation.

Enso is an open-source, hybrid visual and textual functional programming language that offers a seamless blend of high-level visualization and detailed back-end service programming.

Windmill is an open-source developer platform designed to transform scripts into comprehensive workflows and UIs.

UpTrain is an open-source toolkit designed to enhance and evaluate Large Language Model (LLM) applications.

Arroyo is a high-performance, distributed stream processing engine developed in Rust, designed for efficiently performing stateful computations on both bounded and unbounded streams of data.

Lotus is an open-source pricing and packaging infrastructure designed to help SaaS companies efficiently deploy, monitor, and experiment with various subscription models, including usage-based pricing, per-seat models, and bespoke enterprise plans.

Axflow is a versatile TypeScript framework designed specifically for AI development.'s `defer.client` is an open-source project geared towards providing Node.js developers with a zero-infrastructure solution for managing background jobs.

DioxusLabs develops Dioxus, a versatile and efficient GUI framework for Rust, enabling the creation of cross-platform user interfaces.

OpenCopilot is a cutting-edge tool designed to equip any SaaS product with a customizable AI copilot, streamlining interactions and automations via API integrations.

The PostgreSQL GitHub repository is an official mirror of the PostgreSQL project's GIT repository, hosting the source code distribution of the PostgreSQL Database Management System (DBMS).

Pipe|bio provides a set of Python examples for interacting with its REST API, facilitating the integration and automation of biological data analysis workflows.

Speck is a robust debugging and metrics tracking platform designed specifically for language model (LLM) applications.

Chroma is an open-source, AI-native embedding database designed to simplify and enhance the development of Python and JavaScript applications that leverage large language models (LLMs).

The Magic Patterns Catalog is an open-source platform that offers a comprehensive listing of the most popular React component libraries.

AgentGPT by reworkd is an innovative open-source platform that enables users to assemble, configure, and deploy autonomous AI agents directly from their browsers. is an open-source framework designed for TypeScript, that specializes in managing background jobs.

The Tuva Project is an open-source initiative designed to streamline healthcare analytics.

The "Sign-In with Ethereum" (SIWE) library, developed by SpruceID, offers a decentralized authentication method that allows Ethereum account holders to securely sign in to off-chain services.

HyperDX is an open-source observability platform designed to expedite the resolution of production issues by centralizing and correlating essential telemetry data - including session replays, logs, metrics, traces, and errors.

The Mass CLI, developed by Massdriver Cloud, is a command line utility designed for managing applications and infrastructure on the Massdriver Cloud platform.

Metriport is an innovative open-source project that provides a universal API for healthcare data, making it easier for healthcare organizations to access and manage comprehensive patient medical data.

Hamilton is a versatile micro-orchestration framework designed by DAGWorks Inc.

Continuous-eval is an open-source evaluation framework designed for the efficient and comprehensive assessment of Language Model (LLM) and Retrieval-Augmented Generation (RAG) pipelines within Continuous Integration/Continuous Deployment (CI/CD) workflows.

Helicone is an open-source observability platform designed specifically for Language Learning Models (LLMs).

Ukama is an open-source project focused on building a cellular network.

Lunatic is an Erlang-inspired universal runtime designed to support server-side applications with high concurrency and robustness.

Nango is an open-source project that provides a unified API for seamless integration with over 100 external APIs, streamlining the integration process for developers.

React, developed by Facebook (now Meta), is an open-source JavaScript library used for building user interfaces or UI components.

Bun is a highly efficient JavaScript toolkit that consolidates multiple development tools into a single executable, providing a speedy JavaScript runtime, bundler, test runner, and package manager.

QuestDB is an open-source time-series database designed for high-speed data ingestion and rapid SQL queries, emphasizing operational simplicity.

Convoy is an open-source, high-performance webhooks gateway designed for cloud-native environments.

Svix is an enterprise-ready webhook service that simplifies the process of sending webhooks for developers.

Grai is an open-source tool designed to simplify data lineage, offering a comprehensive solution to understand and test relationships across databases, warehouses, APIs, and dashboards.

Firezone is a cutting-edge, WireGuard®-based zero-trust access platform designed to facilitate secure and efficient remote access management for organizations of any size.

Lightdash is an open-source Business Intelligence (BI) tool designed for teams that prioritize speed and agility.

Lantern Extras is an open-source extension designed for PostgreSQL databases that facilitates the generation, manipulation, parsing, and import of vector embeddings directly within the database environment.

Sematic is an open-source Machine Learning (ML) pipeline development platform that enables ML Engineers and Data Scientists to write and execute complex, end-to-end ML pipelines using simple Python.

Infracost is an open-source tool that integrates cloud cost estimates directly into pull requests, enabling developers and teams to understand and discuss the financial implications of their Terraform infrastructure changes before they are applied.

GrowthBook is an open-source platform offering feature flagging and A/B testing capabilities designed to empower companies of all sizes with the tools needed for efficient and effective product development and optimization.

Brave is a next-generation web browser available for multiple platforms including Android, Linux, macOS, and Windows.

Ollama is a versatile framework that enables users to effortlessly set up and interact with large language models such as Llama 2, Mistral, and others, directly on their local machines.

ScratchDB is an innovative open-source platform designed to serve as an alternative to popular data warehouse solutions such as BigQuery, Redshift, and Snowflake.

Tableflow's csv-import is an open-source project that offers an advanced CSV and XLS/XLSX file importer for both React and JavaScript applications.

Ragas is a pioneering evaluation framework designed for Retrieval Augmented Generation (RAG) pipelines, crucial for enhancing Large Language Models (LLMs) with external data.

KeyDB is a high-performance, multithreaded fork of Redis, optimized for multithreading, memory efficiency, and high throughput.

LLM-ATC by Trainy-ai is an innovative CLI tool designed to streamline the process of fine-tuning and serving open source Large Language Models (LLMs) across any cloud platform using your own cloud credentials.

Activepieces is an open-source, all-in-one automation tool that serves as a user-friendly alternative to Zapier.

Webiny is an open-source, serverless enterprise Content Management System (CMS) designed for modern web development needs.

The BotCity Framework for Python is an open-source tool designed to facilitate computer-vision-based UI automation.

Metlo is an open-source API security platform that offers comprehensive tools to inventory endpoints, detect and block malicious traffic in real-time, and scan for sensitive data automatically.

Netmaker is a software tool designed to facilitate the creation and management of virtual networks utilizing WireGuard technology.

Fern is an open-source toolkit designed to simplify the process of generating high-quality SDKs and API documentation.

LaminDB is an innovative open-source Python framework designed to revolutionize the management of biological data and analyses.

Langfuse is an open-source Large Language Model (LLM) engineering platform offering a comprehensive suite of tools for observability, analytics, prompt management, evaluations, testing, monitoring, logging, and tracing, designed to streamline LLMOps.

Bloop is a powerful and fast code search engine designed to enhance developer productivity by allowing users to perform conversational searches, generate patches, and navigate their codebases using natural language.

Reflex is an open-source framework that enables developers to create customizable web applications entirely in Python.

The Anarchy LLM-VM is an open-source project dedicated to advancing the development of generalized artificial intelligence (AGI) by providing a highly optimized virtual machine for running large language models (LLMs). is an innovative, lightweight chat platform designed as an alternative to Slack and Discord, specifically tailored for community engagement.

Fig provides IDE-style autocomplete functionality for command-line interfaces (CLIs) across various terminal environments.

pykoi is an open-source Python library developed by CambioML aimed at enhancing large language models (LLMs) through Reinforcement Learning with Human Feedback (RLHF).

Mito is an open-source tool designed to seamlessly integrate into Jupyter notebooks, Dash, and Streamlit apps, providing users with a powerful spreadsheet interface for editing Pandas dataframes similar to Excel.

React Native Onboard by FrigadeHQ is a lightweight, customizable library designed to enhance product onboarding experiences in React Native applications.

Flower is an open-source federated learning framework designed to enable developers to build and scale federated learning systems with ease.

OpenMeter is a comprehensive cloud-based solution designed to facilitate real-time and scalable usage metering across various applications including AI, Usage-Based Billing, Infrastructure, and IoT.

Chatwoot is an open-source, customer engagement suite that serves as a self-hosted alternative to platforms like Intercom, Zendesk, and Salesforce Service Cloud.

ZeusCloud, developed by Zeus-Labs, is an open-source cloud security platform designed to bolster cloud infrastructure security.

Lantern is an open-source PostgreSQL database extension designed for building AI applications by enabling efficient storage, generation, and search of vector data.

Requestly is an open-source platform designed for frontend developers and QA professionals, providing an extensive toolkit to debug web and mobile applications efficiently.

Superagent is an open-source AI Assistant Framework and API that enables developers to integrate powerful artificial intelligence capabilities into their applications.

Keep is an open-source platform designed to manage and automate alerts across various monitoring systems, databases, and ticketing systems into a unified interface.

SigNoz is an open-source observability platform designed to provide comprehensive monitoring for applications, combining logs, traces, and metrics into a single application.

Dittofeed is an open-source, omni-channel customer engagement platform designed to automate messaging across various channels like email, SMS, webhooks, and native mobile push notifications.

Jitsu is an open-source tool designed for modern data teams, offering a fully-scriptable data ingestion engine that allows for the setup of real-time data pipelines within minutes.

SuperTokens offers an open-source, end-to-end authentication solution as an alternative to proprietary services like Auth0, Firebase Auth, and AWS Cognito.

Vue Storefront is an open-source frontend platform specifically designed for building fast, feature-rich, and customizable eCommerce storefronts.

Mintplex Labs' AnythingLLM provides a powerful, open-source, and privacy-centric application designed for creating a multi-user ChatGPT environment that can interface with any Large Language Model (LLM) and vector database.

Atri-Labs' "atrilabs-engine" is an open-source web app builder that seamlessly integrates code and no-code development, enabling both developers and non-developers to create web applications.

VectorAdmin, developed by Mintplex Labs, is a comprehensive tool suite designed to simplify the management of vector databases.

Defog's SQLCoder is a cutting-edge large language model (LLM) specifically designed to transform natural language questions into SQL queries, enhancing the efficiency of database querying and analysis.

Vocode is an open-source library designed to streamline the development of voice-based large language model (LLM) applications.

PostHog is an open-source analytics platform that empowers product teams with tools for event-based analytics, session recording, feature flagging, and A/B testing— all self-hostable.

Million.js is an innovative, lightweight optimizing compiler designed to enhance React performance significantly.

Artillery is a robust, cloud-scale load testing platform that facilitates serverless and distributed testing right out of the box.

Supervision is a versatile computer vision toolkit developed by Roboflow, designed to facilitate the creation, management, and deployment of machine learning models for image processing applications.

Shuttle is a Rust-native cloud development platform designed to simplify the deployment of Rust applications by eliminating the need to write any infrastructure files.

Evidence is an open-source project that revolutionizes business intelligence by enabling users to build fast, interactive data visualizations using just SQL and markdown.

Infisical is an open-source secret management platform designed to centralize and secure sensitive information such as API keys, database credentials, and configurations for teams and their infrastructure.

Ubicloud is an open, free, and portable cloud.

Permify is an open-source, privacy-focused, and user-centric identity and access management (IAM) platform designed to simplify user authentication, authorization, and user management.

Hatchet replaces difficult to manage legacy queues or pub/sub systems so you can design durable workloads that recover from failure and solve for problems like concurrency, fairness, and rate limiting..