Open-source startups tagged #react

π RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection — all without a single pixel of video.

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

Apache Superset is a Data Visualization and Data Exploration Platform

A personal timeline for quick notes. Write short memos, find them later by search, tag, or date. Open source and self-hosted.

🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

The open alternative to Salesforce, designed for AI.

The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more

Build AI Agents, Visually

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

The open-source communication infrastructure for agents and products

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

The world's most flexible commerce platform for agents and developers

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

Scalable datastore for metrics, events, and real-time analytics

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿

The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.

Fully autonomous AI Agents system capable of performing complex penetration testing tasks

A modified web browser that helps in responsive web development. A web developer's must have dev-tool.

:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

The Markdown-based note-taking app that doesn't suck.

Open source Loom alternative. Beautiful, shareable screen recordings.

Database diagrams editor that allows you to visualize and design your DB with a single query.

Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!

A Git-based CMS for Static Site Generators

AI-powered development workspaces with reusable components, architectural clarity and zero overhead.

Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

本地优先的跨平台 Claude Code / AI Agent 桌面工作台：多 Agent 协作、Git Worktree、代码 Diff、技能市场、多模型、Computer Use、桌面宠物；支持微信、飞书、钉钉及 H5 等远程访问。 | Local-first Claude Code / AI Agent desktop workspace: multi-agent teams, Git worktrees, diffs, skills marketplace, multi-model, Computer Use, task-aware desktop pets; remote via WeChat, Feishu, DingTalk, Telegram, WhatsApp & H5.

A fully open source & end-to-end encrypted note taking alternative to Evernote.

Open-source, secure environment with real-world tools for enterprise-grade agents.

TinaCMS is the leading open-source headless CMS that supports Markdown and Visual Editing. Your content is stored in your own GitHub repo 🦙 ❤️

An online IDE for rapid web development

Draw a mockup and generate html for it

Clash Nyanpasu～(∠・ω< )⌒☆​

Open Source Qualtrics Alternative

Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.

The JavaScript and API powered WordPress.com

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.

Rethinking Student Productivity

A commenting system powered by GitHub Discussions. :octocat: :speech_balloon: :gem:

BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI workflow, RAG, Agent, Unified model management, Evaluation, SFT, Dataset Management, Enterprise-level System Management, Observability and more.

Oni: Modern Modal Editing - powered by Neovim

free online AI resume editor，the only official website is https://magicv.art

ValueCell is a community-driven, multi-agent platform for financial applications.

JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀. Built with 💜 by the Trigger.dev team.

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

No description on the repository.

🛍️ Typescript E-commerce Platform

Reactide is the first dedicated IDE for React web application development.

A beautiful, non-destructive, and GPU-accelerated RAW image editor built with performance in mind.

Polar — A billing platform for the intelligence era

A focused launcher for your desktop - native, fast, extensible

TweetDeck for GitHub - Filter Issues, Activities & Notifications - Web, Mobile & Desktop with 99% code sharing between them