Open Source Projects using React
A curated collection of the 394 best open source software using React. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Multi-channel notification infrastructure for apps
Stars
39,616Last commit
6 hours agoLicense
Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Open Source Alternative to:
Schedule, analyze, and manage 30+ social media accounts
Stars
34,869Last commit
7 hours agoLicense
AGPL-3.0
Self-hostable social media scheduler that lets you plan, generate, and publish content across 30+ networks with AI assistance, team collaboration, and automation integrations.
Open Source Alternative to:
Affiliate marketing platform built for SaaS companies
Stars
24,531Last commit
5 hours agoLicense
AGPL-3.0
Run affiliate, influencer, and referral programs with flexible reward structures, real-time attribution, and automated global payouts.
Open Source Alternative to:
Open source screen recorder with editing and instant sharing
Stars
21,003Last commit
7 hours agoLicense
AGPL-3.0
Record your screen or webcam, edit with backgrounds and effects, then share via link. Built on Rust and Tauri for native performance on macOS and Windows.
Open Source Alternative to:
Structured control layer for customer-facing AI agents
Stars
18,253Last commit
1 month agoLicense
Apache-2.0
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.
Open Source Alternative to:
Self-hosted SEO platform for keyword, backlink, and rank tracking
Stars
12,641Last commit
20 hours agoLicense
MIT
Manage keyword research, backlink analysis, competitor monitoring, and rank tracking without expensive SaaS subscriptions. Self-hostable, MIT-licensed, uses DataForSEO.
Open Source Alternative to:
An agentic CRM that keeps records current automatically
Stars
8,650Last commit
1 day agoLicense
MIT
Open source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions.
Open Source Alternative to:
Passkeys, SSO, and MFA without vendor lock-in
Stars
9,005Last commit
2 days agoLicense
Unknown
Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.
Open Source Alternative to:
Cookie-free web and product analytics, self-hostable
Stars
6,704Last commit
13 hours agoLicense
AGPL-3.0
Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.
Open Source Alternative to:
Open-source localization platform for multilingual apps
Stars
4,078Last commit
6 hours agoLicense
Apache-2.0
Manage app translations with in-context editing, AI translation, and collaborative tools. Self-hostable and free to start.
Open Source Alternative to:
Managed compliance for SOC 2, ISO 27001, HIPAA, and more
Stars
1,299Last commit
5 hours agoLicense
MIT
Compliance management platform where dedicated compliance officers handle your entire program, from risk assessments to audit coordination, with automated evidence collection.
Open Source Alternative to:
Desktop AI agent with persistent memory across platforms
Stars
232,972Last commit
5 hours agoLicense
MIT
Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.
Open Source Alternative to:
AI coding agent for terminal, IDE, and desktop
Stars
199,153Last commit
5 hours agoLicense
MIT
Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.
Open Source Alternative to:
Run open-source LLMs locally on your own machine
Stars
178,973Last commit
7 hours agoLicense
MIT
Runs open-source language models locally with a simple setup, plus optional cloud access for larger models when local hardware isn't enough.
Open Source Alternative to:
Turn any website into clean, AI-ready data via API
Stars
169,544Last commit
7 hours agoLicense
AGPL-3.0
API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page.
Open Source Alternative to:
Build and deploy AI agents and RAG pipelines visually
Stars
152,911Last commit
5 hours agoLicense
Unknown
Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.
Open Source Alternative to:
Visual builder for AI agents and RAG pipelines
Stars
153,474Last commit
5 hours agoLicense
MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.
Open Source Alternative to:
Collaborative whiteboard with a hand-drawn aesthetic
Stars
130,027Last commit
3 days agoLicense
MIT
Virtual whiteboard for sketching diagrams, flowcharts, and wireframes with a distinctive hand-drawn look. Real-time collaboration built in.
Open Source Alternative to:
Self-hosted photo and video backup for your own server
Stars
111,725Last commit
5 hours agoLicense
AGPL-3.0
Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access.
Open Source Alternative to:
Postgres-powered backend platform for production apps
Stars
108,160Last commit
5 hours agoLicense
Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Open Source Alternative to:
Open source video editor that runs in your browser
Stars
85,178Last commit
9 days agoLicense
MIT
Browser-based, open source video editor built for privacy. No installs, no account required, works on any platform.
Open Source Alternative to:
Autonomous coding agents that complete real engineering tasks
Stars
84,490Last commit
6 hours agoLicense
MIT
AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted deployment.
Open Source Alternative to:
Manage, build, and run AI agent teams around the clock
Stars
81,827Last commit
5 hours agoLicense
Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.
Open Source Alternative to:
Open-source AI coding agent for your editor and terminal
Stars
66,478Last commit
5 hours agoLicense
Apache-2.0
AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.
Open Source Alternative to:
Self-serve data exploration and dashboard builder
Stars
74,311Last commit
5 hours agoLicense
Apache-2.0
Connect any SQL database, build charts with drag-and-drop or raw SQL, and publish interactive dashboards without writing application code.
Open Source Alternative to:
Docs, whiteboards, and databases in one privacy-first workspace
Stars
71,679Last commit
5 hours agoLicense
MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open Source Alternative to:
Unified observability for metrics, logs, traces, and more
Stars
76,308Last commit
5 hours agoLicense
AGPL-3.0
Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.
Open Source Alternative to:
Chat with your documents using any LLM, fully private
Stars
64,918Last commit
7 hours agoLicense
MIT
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
Open Source Alternative to:
AI-powered analytics workspace built for investment teams
Stars
72,043Last commit
20 days agoLicense
AGPL-3.0
Connects proprietary, licensed, and public financial data with AI agents in a self-hostable workspace for asset managers, hedge funds, and banks.
Open Source Alternative to:
Persistent memory layer for AI agents and apps
Stars
63,607Last commit
1 day agoLicense
Apache-2.0
Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.
Open Source Alternative to:
Headless CMS with REST and GraphQL APIs out of the box
Stars
72,965Last commit
8 hours agoLicense
MIT
TypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.
Open Source Alternative to:
LLM gateway for auth, load balancing, and spend tracking
Stars
56,760Last commit
5 hours agoLicense
Unknown
Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Open Source Alternative to:
Project management for teams mixing humans and AI agents
Stars
46,847Last commit
5 hours agoLicense
Unknown
Open-source platform that manages coding agents as team members, with task queues, skill libraries, runtime monitoring, and a unified activity feed.
Open Source Alternative to:
Project management for teams and AI agents
Stars
56,143Last commit
13 hours agoLicense
AGPL-3.0
Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.
Open Source Alternative to:
Self-hosted timeline for quick notes, logs, and snippets
Stars
62,359Last commit
10 hours agoLicense
MIT
Memos is a self-hosted, open-source note-taking app built around a private timeline. Write in Markdown, skip the folder setup, and keep your data on your own server.
Open Source Alternative to:
Run multiple AI coding agents in parallel, side by side
Stars
48,972Last commit
13 hours agoLicense
MIT
Agent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser, diff review, and git tools built in.
Open Source Alternative to:
Build a custom CRM without the proprietary lock-in
Stars
55,134Last commit
5 hours agoLicense
AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Open Source Alternative to:
Open source metrics collection, storage, and alerting
Stars
65,753Last commit
8 hours agoLicense
Apache-2.0
Pull-based monitoring system with a multi-dimensional data model, PromQL query language, built-in alerting, and a time series database built for cloud native environments.
Open Source Alternative to:
Transform databases into intuitive spreadsheets instantly
Stars
64,592Last commit
10 hours agoLicense
AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.
Open Source Alternative to:
Multi-model AI desktop client with local-first privacy
Stars
50,781Last commit
5 hours agoLicense
AGPL-3.0
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.
Open Source Alternative to:
Self-host your own scheduling page, no vendor required
Stars
47,804Last commit
11 days agoLicense
MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
Open Source Alternative to:
One interface for all your AI models and conversations
Stars
42,234Last commit
6 hours agoLicense
MIT
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Open Source Alternative to:
Sevalla – Deploy your app before your coffee gets cold. It’s that easy. Try Sevalla with $50 free credit.
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