Open Source Alternatives to Popular Software

Cline

Open-source AI coding agent with frontier models

Stars
58,419
Forks
5,862
Last commit
3 hours ago

Open-source AI coding agent offering direct access to frontier models with complete transparency. Features Plan Mode, MCP integration, and zero vendor lock-in.

Alternative to:

Cursor

Novu

The open source Inbox component and notification platform

Stars
38,624
Forks
4,223
Last commit
4 hours ago

A powerful, open-source notification infrastructure for developers to manage and send multi-channel notifications with ease.

Alternative to:

Customer.io

Postiz

AI-powered social media management platform

Stars
26,819
Forks
4,652
Last commit
4 days ago

Postiz offers an all-in-one solution for scheduling posts, creating content, and analyzing performance across multiple social networks.

Alternative to:

Buffer

Dub

Link management for modern marketing teams

Stars
23,111
Forks
2,866
Last commit
3 hours ago

The link management platform for modern marketing teams to create marketing campaigns, link sharing features, and referral programs.

Alternative to:

Bitly

screenpipe

24/7 AI screen memory that remembers everything

Stars
17,007
Forks
1,421
Last commit
3 hours ago

Open source AI-powered screen recorder that captures screen and audio 24/7. Search your digital history with natural language, get AI assistance, and automate workflows. 100% local and private.

Alternative to:

Rewind.ai

Parlant

Build compliant customer-facing AI agents with control

Stars
17,775
Forks
1,498
Last commit
5 hours ago

Conversational AI engine that keeps agents business-aligned and compliant as you scale. Build adaptive agents through feedback-driven development.

Alternative to:

Voiceflow

Cap

Open source screen recording with instant sharing

Stars
17,128
Forks
1,284
Last commit
8 hours ago

Cross-platform screen recording tool with instant sharing, local editing, AI features, and custom S3 storage. Open source alternative to Loom.

Alternative to:

Screen Studio

Hanko

Secure, passwordless authentication for modern web apps

Stars
8,839
Forks
1,012
Last commit
11 hours ago

Streamline user authentication with passwordless login, enhancing security and user experience for your web applications.

Alternative to:

Clerk

OpenPanel

Privacy-first analytics with powerful insights

Stars
5,384
Forks
314
Last commit
3 hours ago

Open-source web and product analytics platform combining Mixpanel's power with Plausible's simplicity. Cookie-less tracking, real-time data, and full data ownership.

Alternative to:

Google Analytics

Tolgee

Effortless localization for modern web applications

Stars
3,817
Forks
337
Last commit
5 hours ago

Simplify translation management with an intuitive platform for developers and translators, offering real-time collaboration and seamless integration.

Alternative to:

Crowdin

Comp AI

Get SOC 2, ISO 27001 or HIPAA compliant in 4 weeks

Stars
1,398
Forks
260
Last commit
3 hours ago

Get SOC 2, ISO 27001 or HIPAA compliant in 4 weeks. Transparent, automated, and cost-effective compliance. Get started instantly, no sales calls, no upfront contracts.

Alternative to:

Vanta

Probo

Open source compliance automation platform

Stars
983
Forks
134
Last commit
3 hours ago

A platform that simplifies compliance management with risk-based assessments, open-source frameworks, and vendor-independent automation.

Alternative to:

Vanta

Openlane

Open source compliance automation and risk management

Stars
211
Forks
39
Last commit
5 hours ago

A comprehensive platform for automating compliance workflows, managing security questionnaires, and maintaining security policies with full transparency.

Alternative to:

Vanta

n8n

AI-powered workflow automation for technical teams

Stars
176,538
Forks
55,216
Last commit
3 hours ago

A flexible automation platform combining AI capabilities with business process automation, offering both code-based and no-code options for technical teams.

Alternative to:

Make

Dify

AI-powered app creation without coding complexities

Stars
130,463
Forks
20,322
Last commit
3 hours ago

Create, deploy, and manage AI-native apps effortlessly with a user-friendly platform that combines LLMs and your data

Alternative to:

Glide

Langflow

Visual builder for AI-powered applications and workflows

Stars
145,089
Forks
8,496
Last commit
2 hours ago

Low-code platform for building agentic and RAG applications with drag-and-drop components, Python customization, and support for any LLM or vector database.

Alternative to:

Voiceflow

OpenCode

AI coding agent with native terminal interface

Stars
111,592
Forks
11,145
Last commit
3 hours ago

Native terminal UI AI coding agent with LSP support, multi-session capability, shareable links, and compatibility with 75+ LLM providers including Claude Pro.

Alternative to:

Claude Code

Open WebUI

Extensible, self-hosted AI interface for your workflow

Stars
125,019
Forks
17,701
Last commit
11 hours ago

A customizable interface for AI that works offline, supporting Ollama and OpenAI-compatible APIs while adapting to your specific workflow needs.

Alternative to:

Grok

Excalidraw

Collaborative whiteboarding with a hand-drawn feel

Stars
117,579
Forks
12,669
Last commit
6 hours ago

Excalidraw is a virtual whiteboard tool that allows teams to easily create and share sketches with a unique hand-drawn aesthetic.

Alternative to:

Miro

RustDesk

Secure, fast, and open-source remote desktop software

Stars
108,181
Forks
16,101
Last commit
11 hours ago

Cross-platform remote desktop solution offering seamless control, file transfer, and screen sharing with robust security and customization options.

Alternative to:

AnyDesk

Godot

Create 2D & 3D games with complete creative freedom

Stars
107,110
Forks
24,431
Last commit
7 hours ago

Free, open-source game engine for 2D/3D development with cross-platform support, visual scripting, and comprehensive tools for indie developers.

Alternative to:

Unreal Engine

Firecrawl

Blazing-fast web crawling for modern developers

Stars
85,998
Forks
6,167
Last commit
3 hours ago

Efficient, scalable web crawler built on Rust. Extract data, monitor sites, and automate web tasks with ease and speed.

Alternative to:

Browserbase

Browser Use

AI-powered browser automation for seamless web interactions

Stars
79,053
Forks
9,358
Last commit
20 hours ago

Enables AI agents to interact with websites by extracting interactive elements and automating browser actions for more efficient web automation

Alternative to:

Browserbase

Supabase

Open-source Firebase alternative for modern app development

Stars
98,208
Forks
11,647
Last commit
3 hours ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Alternative to:

Fauna

Home Assistant

Local control smart home automation with privacy first

Stars
85,026
Forks
36,853
Last commit
2 hours ago

Open source home automation platform supporting 1000+ devices with local control, powerful automations, custom dashboards, and voice assistant. No cloud required.

Alternative to:

HomeKit

Immich

Self-hosted photo and video backup solution

Stars
93,584
Forks
4,974
Last commit
2 hours ago

Immich is an open-source, privacy-focused platform for managing and storing your personal photos and videos.

Alternative to:

Google Photos

LobeChat

Your personal AI assistant for enhanced productivity

Stars
72,698
Forks
14,682
Last commit
3 hours ago

LobeChat is an open-source AI chat platform that provides a customizable and feature-rich experience for interacting with AI assistants.

Alternative to:

Grok

Uptime Kuma

Self-hosted monitoring tool for websites and services

Stars
83,315
Forks
7,445
Last commit
3 hours ago

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Alternative to:

Opsgenie

OpenHands

Open-source platform for scalable cloud coding agents

Stars
68,222
Forks
8,506
Last commit
3 hours ago

Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.

Alternative to:

Claude Code

LocalSend

Share files securely across all devices without servers

Stars
75,613
Forks
4,027
Last commit
1 day ago

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

Alternative to:

Apple AirDrop

ElasticSearch

The leading distributed search and analytics engine

Stars
76,192
Forks
25,810
Last commit
3 hours ago

Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.

Alternative to:

Algolia

Flowise AI

Build AI agents and workflows with visual drag-and-drop

Stars
49,370
Forks
23,760
Last commit
4 hours ago

Open source platform for building AI agents, chatbots, and LLM workflows using visual drag-and-drop interface. No coding required for rapid prototyping.

Alternative to:

n8n

Zed

Code at the speed of thought with AI collaboration

Stars
76,018
Forks
7,096
Last commit
3 hours ago

High-performance code editor built in Rust with native AI integration, real-time collaboration, and lightning-fast performance across multiple platforms.

Alternative to:

Cursor

Crawl4AI

Open-source web crawler optimized for AI and LLMs

Stars
61,045
Forks
6,242
Last commit
11 hours ago

Fast, AI-ready web crawler that generates clean markdown for RAG pipelines. Features adaptive crawling, structured extraction, and advanced browser control.

Alternative to:

Browserbase

Hoppscotch

Sleek, intuitive API development and testing platform

Stars
77,926
Forks
5,599
Last commit
14 hours ago

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Alternative to:

Postman

Apache Superset

Modern data exploration and visualization platform

Stars
70,700
Forks
16,721
Last commit
3 hours ago

Open-source solution for fast, intuitive data exploration and visualization, supporting various databases and skill levels.

Alternative to:

Power BI

Ladybird

A truly independent web browser backed by a non-profit

Stars
60,181
Forks
2,764
Last commit
3 hours ago

Ladybird is a new open-source web browser and engine built from scratch, focused on web standards, performance, and user privacy.

Alternative to:

Firefox

AppFlowy

Your personal workspace for seamless note-taking and planning

Stars
68,255
Forks
4,908
Last commit
2 days ago

An open-source alternative to Notion, offering powerful note-taking, task management, and database features in a customizable interface.

Alternative to:

Notion

Daytona

Lightning-fast secure infrastructure for AI code execution

Stars
60,873
Forks
5,075
Last commit
4 hours ago

Deploy and run AI-generated code in isolated environments with 200ms startup time, stateful operations, and enterprise-grade security features.

Grafana

Open source analytics and monitoring solution

Stars
72,396
Forks
13,491
Last commit
2 hours ago

Grafana is a multi-platform open source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web.

Alternative to:

Power BI

Affine

Collaborative knowledge creation and management platform

Stars
63,281
Forks
4,418
Last commit
3 hours ago

All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

Alternative to:

Notion

NetData

Real-time monitoring for systems and applications

Stars
77,894
Forks
6,358
Last commit
5 hours ago

Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.

Alternative to:

DataDog

Open Source Alternatives to Popular Software

Over 1 million users replaced their proprietary tools with open source software. Discover the best alternatives and join the movement.

Supported by the best

OpenAlternative is supported by incredible partners and sponsors who make it possible for a small team to maintain this project.

Cline

Novu

Postiz

Dub

screenpipe

Parlant

Cap

Hanko

OpenPanel

Tolgee

Comp AI

Probo

Openlane

n8n

Dify

Langflow

OpenCode

Open WebUI

Excalidraw

RustDesk

Godot

Firecrawl

Browser Use

Supabase

Home Assistant

Immich

LobeChat

Uptime Kuma

OpenHands

LocalSend

ElasticSearch

Flowise AI

Zed

Crawl4AI

Hoppscotch

Apache Superset

Ladybird

AppFlowy

Daytona

Grafana

Affine

NetData

People are looking for alternatives to...

Discord

Notion

Cursor

Spotify

n8n

Lovable

People are looking for alternatives to...

People are looking for alternatives to...

Discord

Notion

Cursor

Spotify

n8n

Lovable

Cline

Novu

Postiz

Dub

screenpipe

Parlant

Cap

Hanko

OpenPanel

Tolgee

Comp AI

Probo

Openlane

n8n

Dify

Langflow

OpenCode

Open WebUI

Excalidraw