Open Source Projects using Esbuild
A curated collection of the 120 best open source software using Esbuild. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Affiliate marketing platform built for SaaS companies
Stars
24,667Last 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:
A self-building CRM powered by your email
Stars
4,199Last commit
5 hours agoLicense
AGPL-3.0
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Open Source Alternative to:
Private AI chat with zero-access encryption
Stars
5,569Last commit
9 hours agoLicense
GPL-3.0
AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Open Source Alternative to:
Managed compliance for SOC 2, ISO 27001, HIPAA, and more
Stars
1,342Last commit
7 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
241,395Last 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
204,005Last 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:
Visual builder for AI agents and RAG pipelines
Stars
154,250Last 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
131,169Last commit
10 hours 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:
Minimal terminal coding agent you can fully customize
Stars
101,808Last commit
6 hours agoLicense
MIT
Terminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.
Open Source Alternative to:
Org chart, budgets, and governance for AI agent teams
Stars
80,012Last commit
5 hours agoLicense
MIT
Manages teams of AI agents across business functions with org charts, goal alignment, cost tracking, ticket tracing, and board-level governance controls.
Open Source Alternative to:
Open-source AI coding agent for your editor and terminal
Stars
67,480Last commit
6 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:
Text-based diagramming that renders in code and docs
Stars
90,076Last commit
11 hours agoLicense
MIT
Create flowcharts, sequence diagrams, Gantt charts, and more using a simple Markdown-like syntax that renders anywhere.
Open Source Alternative to:
Run multiple AI coding agents in parallel, side by side
Stars
61,642Last commit
5 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:
Docs, whiteboards, and databases in one privacy-first workspace
Stars
72,190Last commit
16 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
76,584Last commit
6 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:
AI-powered analytics workspace built for investment teams
Stars
72,671Last commit
1 month 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:
Build a custom CRM without the proprietary lock-in
Stars
56,247Last 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 UI design and prototyping for product teams
Stars
59,577Last commit
13 hours agoLicense
MPL-2.0
Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.
Open Source Alternative to:
Encrypted note-taking that syncs across all your devices
Stars
56,239Last commit
1 day agoLicense
Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Open Source Alternative to:
Free instant whiteboard with real-time collaboration
Stars
50,137Last commit
8 hours agoLicense
Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.
Open Source Alternative to:
Self-hosted team messaging with voice, video, and AI
Stars
46,084Last commit
5 hours agoLicense
MIT
Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.
Open Source Alternative to:
Unlock data insights with powerful, user-friendly analytics
Stars
49,094Last commit
5 hours agoLicense
Unknown
Open-source business intelligence platform for data exploration, visualization, and sharing. Empowers teams to make data-driven decisions effortlessly.
Open Source Alternative to:
Headless CMS for developers, built with Node.js
Stars
44,570Last commit
16 hours agoLicense
MIT
A powerful, flexible, and developer-friendly content management system that prioritizes customization and scalability.
Open Source Alternative to:
Cultivate vibrant online communities with ease
Stars
47,789Last commit
5 hours agoLicense
GPL-2.0
A powerful, customizable platform for building and managing online forums, fostering engaging discussions and collaborative spaces.
Open Source Alternative to:
Build internal tools rapidly without coding
Stars
40,844Last commit
5 hours agoLicense
AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
Open Source Alternative to:
Privacy-first knowledge base that connects your notes
Stars
44,772Last commit
8 hours agoLicense
AGPL-3.0
Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.
Open Source Alternative to:
Effortless deployment and management for any VPS
Stars
37,096Last commit
10 hours agoLicense
Unknown
Streamline your deployment process with Dokploy. Manage applications and databases on any VPS using Docker and Traefik for improved performance and security.
Open Source Alternative to:
Build AI copilots for your product in hours, not months
Stars
37,204Last commit
5 hours agoLicense
MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.
Open Source Alternative to:
Empower your website with privacy-focused analytics
Stars
38,601Last commit
9 hours agoLicense
MIT
A lightweight, open-source alternative to Google Analytics that respects user privacy and provides valuable insights.
Open Source Alternative to:
Open-source coding agent for your IDE and terminal
Stars
35,762Last commit
8 hours agoLicense
Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Open Source Alternative to:
Unlock Product Insights with Open-Source Analytics
Stars
39,588Last commit
5 hours agoLicense
MIT
All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
Open Source Alternative to:
Real-time error tracking and performance monitoring
Stars
44,730Last commit
5 hours agoLicense
Unknown
Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.
Open Source Alternative to:
Open-source e-commerce for modern developers
Stars
36,144Last commit
10 hours agoLicense
MIT
Flexible, customizable e-commerce platform with headless architecture, built-in features, and extensive plugin ecosystem for scalable online stores.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
37,083Last commit
1 month agoLicense
AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Open Source Alternative to:
AI coding agent for VS Code, JetBrains, CLI, and Cloud
Stars
27,173Last commit
7 hours agoLicense
MIT
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
Open Source Alternative to:
Craft rich text experiences with ease
Stars
38,273Last commit
6 hours agoLicense
MIT
A customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror
Powerful API development and testing made effortless
Stars
39,987Last commit
5 hours agoLicense
Apache-2.0
Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.
Open Source Alternative to:
Open-source data platform for effortless content management
Stars
37,742Last commit
9 hours agoLicense
Unknown
A versatile headless CMS and API engine that simplifies data management, content creation, and application development.
Open Source Alternative to:
AI-powered code completion for seamless development
Stars
33,859Last commit
2 months agoLicense
Apache-2.0
Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Open Source Alternative to:
Automate workflows with no-code integration platform
Stars
24,255Last commit
5 hours agoLicense
MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
Open Source Alternative to:
All-in-one workspace for project, chat, and docs
Stars
27,565Last commit
8 days agoLicense
EPL-2.0
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
Open Source Alternative to:
Build powerful web apps without complex coding
Stars
28,253Last commit
7 hours agoLicense
Unknown
Low-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Sent
Docmost
Sent