Open Source Tools Built with JavaScript

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python. It is positioned as an open-source alternative to Voiceflow. Primary category: Low-Code/No-Code. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.

Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications. It is positioned as an open-source alternative to LangChain, LangSmith, Humanloop, Eden AI. Primary category: LLM Application Frameworks. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.

A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes. It is positioned as an open-source alternative to Crowdin, Lokalise, Weglot, Taia. Primary category: Translation Management. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Typescript, Docker. Review the imported record before publishing or editing SEO copy.

Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and

Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and neurodiversity. It is positioned as an open-source alternative to Monday, Jira, ClickUp, Trello. Primary category: Project Management Suites. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Docker, Eslint. Review the imported record before publishing or editing SEO copy.

Create and sell online courses with rich content blocks, AI tools, payments, and full white-labeling. Open-source platform with self-hosting options.

Create and sell online courses with rich content blocks, AI tools, payments, and full white-labeling. Open-source platform with self-hosting options. It is positioned as an open-source alternative to Miro, Udemy, Skool, Coursera. Primary category: Community Building Platforms. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Open-source forum and link aggregator that connects communities across the fediverse. Self-hosted, ad-free, with powerful moderation tools and federat

Open-source forum and link aggregator that connects communities across the fediverse. Self-hosted, ad-free, with powerful moderation tools and federation. It is positioned as an open-source alternative to Reddit, Hacker News, Digg. Primary category: News Aggregators. Detected stack: JavaScript, NodeJS, Bash, Typescript, Docker, Eslint. Review the imported record before publishing or editing SEO copy.

Leon is an AI-powered virtual assistant that lives on your server, automating tasks and managing your digital life with privacy and customization.

Leon is an AI-powered virtual assistant that lives on your server, automating tasks and managing your digital life with privacy and customization. It is positioned as an open-source alternative to ChatGPT. Primary category: AI Personal Assistants. Detected stack: JavaScript, Github Actions, NodeJS, Typescript, Eslint, Prettier. Review the imported record before publishing or editing SEO copy.

Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.

Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools. It is positioned as an open-source alternative to Perplexity, LangChain, Pinecone. Primary category: AI Agent Platforms. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access

Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control. It is positioned as an open-source alternative to Claude, Grok, Perplexity, ChatGPT. Primary category: AI Agent Platforms. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates. It is positioned as an open-source alternative to Microsoft 365, Microsoft Word, Google Workspace, Microsoft Office. Primary category: Productivity & Utilities. Detected stack: JavaScript, Github Actions, CSS, Bash, Eslint, Python. Review the imported record before publishing or editing SEO copy.

Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.

Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations. It is positioned as an open-source alternative to Power BI, Tableau, Databox, Looker. Primary category: BI Platforms. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

LimeSurvey is a powerful open-source tool for creating customizable online surveys, polls, and questionnaires.

LimeSurvey is a powerful open-source tool for creating customizable online surveys, polls, and questionnaires. It is positioned as an open-source alternative to Google Forms, Tally, Typeform, Jotform. Primary category: Form Builders. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Transform your app into a global product with AI-powered localization that integrates directly into your development workflow. Supports 83+ languages

Transform your app into a global product with AI-powered localization that integrates directly into your development workflow. Supports 83+ languages with Git-native automation. It is positioned as an open-source alternative to Crowdin, Lokalise, Weglot, Taia. Primary category: Translation Management. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Typescript, Docker. Review the imported record before publishing or editing SEO copy.

Full-featured browser extension for translating web pages, text, and subtitles with offline mode, personal dictionary, and custom translator support.

Full-featured browser extension for translating web pages, text, and subtitles with offline mode, personal dictionary, and custom translator support. It is positioned as an open-source alternative to Google Translate. Primary category: Productivity & Utilities. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Minimal, fast bookmark manager with automatic metadata fetching, archiving, multi-user support, and browser extensions. Easy Docker setup with SQLite.

Minimal, fast bookmark manager with automatic metadata fetching, archiving, multi-user support, and browser extensions. Easy Docker setup with SQLite. It is positioned as an open-source alternative to Pocket, Raindrop, Readwise Reader, Instapaper. Primary category: Bookmark Managers. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

A free, open-source link management platform for creating customizable, self-hosted link pages to showcase your online presence.

A free, open-source link management platform for creating customizable, self-hosted link pages to showcase your online presence. It is positioned as an open-source alternative to LinkTree, Bento.me, Bio.fm. Primary category: Link Management & Shorteners. Detected stack: JavaScript, Github Actions, NodeJS, CSS, npm, Redis. Review the imported record before publishing or editing SEO copy.

Open-source platform to collect, organize, and preserve webpages with powerful collaboration features

Open-source platform to collect, organize, and preserve webpages with powerful collaboration features. It is positioned as an open-source alternative to Pocket, Raindrop, Readwise Reader, Instapaper. Primary category: Bookmark Managers. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Typescript, Docker. Review the imported record before publishing or editing SEO copy.

Build a dynamic link-in-bio page with a drag-and-drop editor. Integrate platforms to showcase live content and connect with your audience.

Build a dynamic link-in-bio page with a drag-and-drop editor. Integrate platforms to showcase live content and connect with your audience. It is positioned as an open-source alternative to LinkTree, Bento.me, Bio.fm. Primary category: Link Management & Shorteners. Detected stack: JavaScript, NodeJS, CSS, Typescript, Docker, Eslint. Review the imported record before publishing or editing SEO copy.

Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres.

Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres. It is positioned as an open-source alternative to Resend, Substack, Mailchimp, Brevo. Primary category: Email Marketing & Newsletters. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Manage authentication, load balancing, and cost tracking across 100+ LLMs through a single OpenAI-compatible gateway. Trusted by Netflix and enterpris

Manage authentication, load balancing, and cost tracking across 100+ LLMs through a single OpenAI-compatible gateway. Trusted by Netflix and enterprise teams. It is positioned as an open-source alternative to LangChain, Eden AI, Vercel AI Gateway, OpenRouter. Primary category: AI Gateways. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Track user behavior, custom events, and conversion funnels in real-time with a single line of code, all while maintaining GDPR compliance.

Track user behavior, custom events, and conversion funnels in real-time with a single line of code, all while maintaining GDPR compliance. It is positioned as an open-source alternative to Google Analytics, Mixpanel, Hotjar, Cloudflare Analytics. Primary category: Web Analytics. Detected stack: JavaScript, NodeJS, CSS, Typescript, Docker, Tailwind. Review the imported record before publishing or editing SEO copy.

Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performanc

Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance monitoring. It is positioned as an open-source alternative to Eden AI, Vercel AI Gateway, Cloudflare AI Gateway, Kong AI Gateway. Primary category: AI Gateways. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Privacy-focused open-source platform offering deep research capabilities, multi-model support, and customizable AI workflows for enhanced productivity

Privacy-focused open-source platform offering deep research capabilities, multi-model support, and customizable AI workflows for enhanced productivity. It is positioned as an open-source alternative to Claude, Grok, Perplexity, ChatGPT. Primary category: AI Chat Interfaces. Detected stack: JavaScript, NodeJS, CSS, Typescript, Eslint, Prettier. Review the imported record before publishing or editing SEO copy.

A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constan

A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight. It is positioned as an open-source alternative to Claude, Grok, ChatGPT, TypingMind. Primary category: AI Agent Platforms. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device

Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device discovery. It is positioned as an open-source alternative to Apple AirDrop. Primary category: Cloud File Sync & Share. Detected stack: JavaScript, Github Actions, Bash, Docker, Dependabot, Rust. Review the imported record before publishing or editing SEO copy.

Collect, organize, and prioritize user feedback to build better products. Self-hosted solution for seamless feature request management.

Collect, organize, and prioritize user feedback to build better products. Self-hosted solution for seamless feature request management. It is positioned as an open-source alternative to Featurebase, ProductBoard, Canny, Gleap. Primary category: Feedback & Feature Request Management. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.

Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform. It is positioned as an open-source alternative to DataDog, Splunk, New Relic, LogRocket. Primary category: Performance Monitoring (APM). Detected stack: JavaScript, Github Actions, NodeJS, CSS, npm, Python. Review the imported record before publishing or editing SEO copy.

Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a c

Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain. It is positioned as an open-source alternative to Notion, Obsidian, Google Keep, Scrivener. Primary category: Note-Taking. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.

An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management. It is positioned as an open-source alternative to Clerk, Auth0, Okta, AWS Cognito. Primary category: Authentication & SSO. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript. Review the imported record before publishing or editing SEO copy.

Open-source, decentralized short-video platform that gives creators control. No ads, no lock-in, built on ActivityPub for true community ownership.

Open-source, decentralized short-video platform that gives creators control. No ads, no lock-in, built on ActivityPub for true community ownership. It is positioned as an open-source alternative to YouTube, Instagram, Facebook. Primary category: Decentralized Social Networks. Detected stack: JavaScript, Github Actions, NodeJS, CSS, Typescript, Docker. Review the imported record before publishing or editing SEO copy.