Open Source Alternatives to Popular Software

Cline

Open-source AI coding agent with frontier models

Stars
56,904
Forks
5,603
Last commit
7 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
38,430
Forks
4,199
Last commit
11 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
26,047
Forks
4,426
Last commit
2 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
22,894
Forks
2,807
Last commit
7 hours ago

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

Alternative to:

TinyURL

Parlant

Build compliant customer-facing AI agents with control

Stars
17,521
Forks
1,478
Last commit
10 hours ago

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

Alternative to:

Decagon

Cap

Open source screen recording with instant sharing

Stars
16,452
Forks
1,169
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
8,739
Forks
1,016
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
5,136
Forks
287
Last commit
2 days 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
3,737
Forks
326
Last commit
9 hours ago

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

Alternative to:

Weglot

Comp AI

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

Stars
1,322
Forks
233
Last commit
1 day 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

Keila

Open-source email marketing for the privacy-conscious

Stars
1,958
Forks
134
Last commit
16 hours ago

Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

Alternative to:

Substack

Probo

Open source compliance automation platform

Stars
922
Forks
115
Last commit
8 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
187
Forks
36
Last commit
13 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
169,237
Forks
53,631
Last commit
7 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

Langflow

Visual builder for AI-powered applications and workflows

Stars
143,610
Forks
8,306
Last commit
7 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.

Dify

AI-powered app creation without coding complexities

Stars
126,022
Forks
19,631
Last commit
11 hours ago

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

Alternative to:

Vertex AI

Open WebUI

Extensible, self-hosted AI interface for your workflow

Stars
120,769
Forks
17,031
Last commit
9 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
114,479
Forks
12,161
Last commit
8 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
105,768
Forks
15,637
Last commit
21 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
105,434
Forks
24,053
Last commit
17 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

Supabase

Open-source Firebase alternative for modern app development

Stars
96,235
Forks
11,270
Last commit
7 hours ago

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

Alternative to:

AppWrite

Immich

Self-hosted photo and video backup solution

Stars
89,126
Forks
4,727
Last commit
8 hours ago

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

Alternative to:

Google Photos

OpenCode

AI coding agent with native terminal interface

Stars
71,208
Forks
6,204
Last commit
7 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

Browser Use

AI-powered browser automation for seamless web interactions

Stars
75,541
Forks
9,023
Last commit
8 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

Firecrawl

Blazing-fast web crawling for modern developers

Stars
75,106
Forks
5,746
Last commit
7 hours ago

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

Alternative to:

Jina AI

LobeChat

Your personal AI assistant for enhanced productivity

Stars
70,153
Forks
14,407
Last commit
8 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
81,426
Forks
7,268
Last commit
15 hours ago

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

Alternative to:

Opsgenie

ElasticSearch

The leading distributed search and analytics engine

Stars
75,874
Forks
25,783
Last commit
7 hours ago

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

Alternative to:

Algolia

OpenHands

Open-source platform for scalable cloud coding agents

Stars
66,636
Forks
8,272
Last commit
7 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

Zed

Code at the speed of thought with AI collaboration

Stars
73,378
Forks
6,626
Last commit
7 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

LocalSend

Share files securely across all devices without servers

Stars
73,281
Forks
3,907
Last commit
3 days 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

Flowise AI

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

Stars
48,210
Forks
23,590
Last commit
18 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

Hoppscotch

Sleek, intuitive API development and testing platform

Stars
77,547
Forks
5,518
Last commit
9 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
70,079
Forks
16,521
Last commit
7 hours ago

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

Alternative to:

Power BI

Grafana

Open source analytics and monitoring solution

Stars
71,714
Forks
13,370
Last commit
7 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

Crawl4AI

Open-source web crawler optimized for AI and LLMs

Stars
58,590
Forks
5,960
Last commit
2 days ago

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

Alternative to:

Jina AI

Ladybird

A truly independent web browser backed by a non-profit

Stars
57,648
Forks
2,605
Last commit
8 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

Odoo

All-in-one business management suite for modern enterprises

Stars
48,460
Forks
31,105
Last commit
7 hours ago

Comprehensive ERP solution offering integrated modules for finance, HR, sales, inventory, and more, tailored for businesses of all sizes.

Alternative to:

Pipedrive

AppFlowy

Your personal workspace for seamless note-taking and planning

Stars
67,543
Forks
4,842
Last commit
4 days ago

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

Alternative to:

Notion

NetData

Real-time monitoring for systems and applications

Stars
77,352
Forks
6,301
Last commit
9 hours ago

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

Alternative to:

DataDog

Strapi

Craft and manage content with ease and flexibility

Stars
70,966
Forks
9,373
Last commit
10 hours ago

A powerful headless CMS that enables developers to build, deploy, and manage content-rich applications with customizable APIs and a user-friendly admin panel.

Alternative to:

Sanity

Affine

Collaborative knowledge creation and management platform

Stars
61,810
Forks
4,270
Last commit
12 hours ago

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

Alternative to:

Notion

Efficient App

Not all Open Source alternatives are equal — Narrow down the best, without the bullsh*t.

Visit Efficient App

Efficient App

Not all Open Source alternatives are equal — Narrow down the best, without the bullsh*t.

Visit Efficient App

Efficient App

Not all Open Source alternatives are equal — Narrow down the best, without the bullsh*t.

Visit Efficient App

Discover 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

Parlant

Cap

Hanko

OpenPanel

Tolgee

Comp AI

Keila

Probo

Openlane

n8n

Langflow

Dify

Open WebUI

Excalidraw

RustDesk

Godot

Supabase

Immich

OpenCode

Browser Use

Firecrawl

LobeChat

Uptime Kuma

ElasticSearch

OpenHands

Zed

LocalSend

Flowise AI

Hoppscotch

Apache Superset

Grafana

Crawl4AI

Ladybird

Odoo

AppFlowy

NetData

Strapi

Affine

People are looking for alternatives to...

Cursor

n8n

Notion

Lovable

Pocket

Screen Studio

People are looking for alternatives to...

Command Menu

Cline

Novu

Postiz

Dub

Parlant

Cap

Hanko

OpenPanel

Tolgee

Comp AI

Keila

Probo

Openlane

n8n

Langflow

Dify

Open WebUI

Excalidraw

RustDesk

Godot

Supabase

Immich

OpenCode

Browser Use

Firecrawl