41 open-source tools indexed

Find the best open-source alternatives to proprietary software.

Curated, community-driven alternatives with active development, transparent source code, and modern developer experience.

841.1K total GitHub stars
10categories
100%open source

Showing 41 results

OpenCode

OpenCode

The open-source AI coding agent for the terminal, IDE, and desktop.

OpenCode is an open-source AI coding agent that helps developers write, debug, and modify code from the terminal, IDE, or desktop. It supports free included models or connecting models from many providers, including Claude, GPT, Gemini, GitHub Copilot, and local models. OpenCode includes features such as LSP support, multi-session workflows, shareable sessions, model flexibility, and privacy-focused operation where code and context are not stored by OpenCode. It is a strong open-source alternative to Claude Code for developers who want a provider-agnostic coding agent.

aicoding-agentterminal
167.3K19.9KMIT
vs Claude Code
Zed

Zed

Code at the speed of thought – High-performance multiplayer code editor

Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter. Built in Rust for maximum performance, it features real-time collaboration, AI integration, and a modern editing experience.

code-editoriderust
84.1K8.8KAGPL-3.0
vs VS Code
AppFlowy

AppFlowy

Workspace for docs, tasks, and notes with local-first control

Open-source collaborative workspace combining notes, project tracking, and knowledge base features.

notesproject managementworkspace
71.4K5.3KAGPL 3.0
vs Notion
Odoo

Odoo

All-in-one business platform covering ERP, CRM, and more

Odoo is a suite of open source business apps that cover all your company needs: CRM, eCommerce, accounting, inventory, point of sale, project management, and more.

crmerpenterprise
51.7K32.6KAGPL-3.0
vs SAP
LiteLLM

LiteLLM

Unified gateway for 100+ LLMs with spend tracking

LiteLLM is a Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI format, with cost tracking, guardrails, loadbalancing and logging. Supports Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM.

ai
48.8K8.5KCustom
vs OpenAI API
Twenty

Twenty

The open alternative to Salesforce, designed for AI

Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. It is the #1 Open Source CRM on GitHub with AI-native features, extensibility toolkit, and production-grade building blocks.

aicrmsaas
48.6K6.9KAGPL-3.0
vs Salesforce
Novu

Novu

Multi-channel notification infrastructure for apps

Build in-app, email, push, SMS, and chat notifications with a unified API and workflow engine.

notificationsapiself-hosted
39K4.3KMIT
vs Customer.io
Medusa

Medusa

Open-source e-commerce for modern developers

Medusa is the worlds most flexible commerce platform. Build, scale, and deploy your commerce solution with Node.js and React.

nextjsheadless-commerce
34.1K4.6KMIT
vs Shopify
Postiz

Postiz

Schedule and manage social media across 30+ networks

Plan, generate, and publish social posts with analytics and collaboration in one open-source platform.

social mediaautomationanalytics
31.2K5.7KApache 2.0
vs HootSuite
Void

Void

Open source AI code editor with full privacy

Void is an open source AI code editor that gives you full privacy and control. Fork of Cursor with complete data sovereignty – your code never leaves your machine unless you choose.

privacyaicode-editor
28.8K2.5KApache-2.0
vs Cursor
Bagisto

Bagisto

Open source Laravel eCommerce platform for modern businesses

Bagisto is a free and open source Laravel eCommerce platform built for modern businesses. Multi-vendor marketplace, multi-currency, multi-language out of the box.

saaslaravelheadless-commerce
26.9K3.1KMIT
vs Shopify
Saleor

Saleor

Flexible e-commerce platform for modern businesses

Saleor is a high performance, composable, headless commerce API. Built with Python and GraphQL for maximum flexibility and performance.

headless-commercegraphql
22.9K6KBSD-3-Clause
vs Shopify
CodeEdit

CodeEdit

A native code editor for macOS – Elevate your code editing experience

CodeEdit is a native code editor for macOS, built with Swift. It aims to provide a free, open-source alternative to VS Code with a native macOS experience, featuring fast performance, native UI, and seamless integration with the Apple ecosystem.

code-editorideswift
22.9K1.2KMIT
vs VS Code
Krayin

Krayin

Self-hosted CRM for enhanced business relationships

Krayin is a free and open-source Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management.

crmenterpriselaravel
22.6K1.5KMIT
vs Salesforce
Kilo

Kilo

AI coding agent with multiple specialized modes

Kilo is the all-in-one agentic engineering platform. Build, ship, and iterate faster with the most popular open source coding agent. #1 on OpenRouter with 1.5M+ users and 25T+ tokens processed.

aicode-editorvscode-fork
19.7K2.6KMIT
vs Cursor
Cap

Cap

Open source screen recorder with editing and instant sharing

Record your screen or webcam, edit quickly, and share by link with native performance.

screen recordingvideodesktop
19.3K1.6KMIT
vs Loom
Alokai

Alokai

Build and deploy scalable storefronts with ease

Alokai (formerly Vue Storefront) is a Frontend as a Service solution that simplifies composable commerce. It connects all the technologies needed to build and deploy fast and scalable ecommerce frontends.

saasheadless-commercevuejs
10.9K2.1KMIT
vs Shopify
WooCommerce

WooCommerce

Open-source ecommerce platform for WordPress

WooCommerce is a customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.

saaswordpress
10.3K10.7KGPL-2.0
vs Shopify
Hanko

Hanko

Passkeys, SSO, and 2FA without vendor lock-in

Authentication platform with passkeys, passwords, and SSO. Self-host or run in cloud.

authpasskeyssso
8.9K1KApache 2.0
vs Clerk
Papermark

Papermark

Secure data rooms for modern dealmakers

Papermark is the secure data room built for modern dealmakers. Share confidential documents on a platform that gives you control, visibility, and trust. Open-source DocSend alternative with built-in analytics and custom domains.

saasdata-roomdocument-sharing
8.4K1.2KAGPL-3.0
vs DocSend
Vendure

Vendure

Flexible e-commerce for modern businesses

Vendure is an open source headless commerce framework built with TypeScript, NestJS, React and GraphQL.

headless-commercenestJSgraphql
8.2K1.4KMIT
vs Shopify
OpenPanel

OpenPanel

Cookie-free web and product analytics, self-hostable

Track web traffic, events, funnels, and retention with a privacy-first analytics stack.

analyticsprivacyself-hosted
5.9K372MIT
vs Google Analytics
Your Next Store

Your Next Store

Launch Your Store in Minutes, No Code Needed

Your Next Store (YNS) is an AI-native open-source Next.js commerce platform powered by Stripe. Ultra fast with typesafe Commerce SDK.

nextjsstripe
5.4K660MIT
vs Shopify
Solidus

Solidus

Flexible eCommerce platform for brands that stand out

Solidus is an open-source eCommerce framework for industry trailblazers. Built on Ruby on Rails with maximum flexibility and customization.

saasrails
5.3K1.4KAGPL-3.0
vs Shopify
Baserow

Baserow

No-code database and app builder you can self-host

Build internal apps, structured databases, and automations without writing code.

databaseinternal toolsno-code
4.9K618MIT
vs Airtable
Papra

Papra

The minimalistic document archiving platform

Papra is an open-source document management platform designed to help you organize, secure, and archive your files effortlessly. It provides a centralized solution for managing all your documents in one place with powerful search, tagging, and organization features.

self-hosteddocument-managementarchiving
4.6K230AGPL-3.0
vs Google Drive
Erxes

Erxes

Open-source growth platform for customer-centric teams

Erxes is an Experience Operating System (XOS) that unifies marketing, sales, operations, and support. Replace HubSpot, Zendesk, Linear, Wix and more with one platform.

crmsaasgrowth
4K1.3KCustom
vs HubSpot
Tolgee

Tolgee

Open-source localization platform for multilingual apps

Manage translations with in-context editing, AI translation, and team workflows.

i18nlocalizationtranslation
3.9K355Apache 2.0
vs Crowdin
Ever Gauzy

Ever Gauzy

Comprehensive open-source business management platform

Ever Gauzy is an open business management platform covering ERP, CRM, HRM, ATS, and PM. A complete solution for managing your entire business operation.

crmerpenterprise
3.7K768AGPL-3.0
vs Odoo
Shopware

Shopware

Open source ecommerce platform for modern businesses

Shopware 6 is an open commerce platform based on Symfony Framework and Vue.js, supported by a worldwide community and more than 3,100 community extensions.

headless-commercevuejssymfony
3.4K1.2KMIT
vs Magento
EspoCRM

EspoCRM

Complete customer relationship management made simple

EspoCRM is an open-source CRM application that gives you the freedom to manage your customer relationships your way. Simple, powerful, and customizable.

crmsaas
3K867AGPL-3.0
vs Salesforce
Frappe CRM

Frappe CRM

Open-source CRM that puts simplicity and control first

Frappe CRM is a fully featured, open source CRM built on the Frappe framework. Simple, powerful, and customizable for your sales team.

crmsaas
2.8K1.1KAGPL-3.0
vs HubSpot
BrightBean Studio

BrightBean Studio

Open-source, self-hostable social media management platform for scheduling, publishing, and managing content across 10+ platforms.

BrightBean Studio is an open-source, self-hostable social media management platform for creators, agencies, and SMBs. It lets teams plan, compose, schedule, approve, publish, and monitor content across Facebook, Instagram, LinkedIn, TikTok, YouTube, Pinterest, Threads, Bluesky, Google Business Profile, and Mastodon from a single multi-workspace dashboard. It is positioned as a free alternative to tools like Buffer, Sendible, SocialPilot, and ContentStudio, without per-seat, per-channel, or per-workspace limits.

social mediaschedulingmarketing
1.7K349AGPL-3.0
vs Buffer
Open Mercato

Open Mercato

AI-Engineering Foundation Framework for CRM/ERP

AI-Engineering Foundation Framework built with AI and designed for AI. Hundreds of architectural and domain decisions (multi-tenancy, RBAC, event flow, pricing, sales pipeline, CRM/ERP processes) are already encoded as conventions and specs. Start with 80% done.

aicrmerp
1.3K281MIT
vs Salesforce
Relaticle

Relaticle

Modern open-source CRM that grows with your business

Relaticle is an open-source CRM with native AI agent support. 30 MCP tools, REST API, self-hosted. Built with Laravel and Filament.

aicrmlaravel
1.3K148AGPL-3.0
vs HubSpot
Voiden API Client

Voiden API Client

Voiden is an offline, open source alternative to Postman. Design, Test, Document APIs, in one place. Compose APIs with blocks. Reuse, replace & version everything just like code. Truly Git Native. No Lock-in.

Voiden is an offline, open source alternative to Postman. Design, Test, Document APIs, in one place. Compose APIs with blocks. Reuse, replace & version everything just like code. Truly Git Native. No Lock-in.

apiclientapi clientapi ide
1.1K42Apache 2.0
vs Postman
Atomic CRM

Atomic CRM

A full-featured CRM built with React, shadcn/ui, and Supabase

Atomic CRM is a full-featured open-source CRM built with React, shadcn/ui, and Supabase. It provides a modern, customizable CRM solution with a clean UI and powerful features for managing customer relationships.

crmsaasreact
1K680MIT
vs Salesforce
Passmak

Passmak

The open-source Playwright library for AI browser regression testing with intelligent caching, auto-healing, and multi-model verification.

Passmark is an open-source Playwright library designed for AI-powered browser regression testing. It helps developers test complex web applications and AI-driven workflows with intelligent caching, auto-healing selectors, and multi-model verification. Built on top of Playwright, Passmark makes browser tests more reliable, faster, and easier to maintain, especially when dealing with dynamic interfaces, generated content, emails, and non-deterministic AI behavior.

testingplaywrightai
846160FSL-1.1-ALv2
vs Playwright
PearAI

PearAI

Open-source AI-powered code editor for fast development

PearAI is an open-source AI-powered code editor built for fast development. A fork of VSCode with integrated AI capabilities, designed to help developers code faster with AI assistance.

aicode-editorvscode-fork
74765Apache-2.0
vs Cursor
Malak

Malak

Streamline investor relations and fundraising management

Malak is an open-source investor relationship hub for founders. Manage investor updates, KPI tracking, fundraising pipeline, cap table, and deck management.

fundraisinginvestor-relations
599AGPL-3.0
vs Carta
Proxed AI

Proxed AI

Secure AI API management for iOS apps with DeviceCheck

Proxed.AI is a secure proxy backend for iOS apps that protects your AI API keys and controls AI responses. Uses Apple DeviceCheck to lock down API keys and provides a visual schema builder to structure AI outputs.

ai
60AGPL-3.0
vs Custom proxy