Open Source Alternatives to Popular Software

Cline

Open-source AI coding agent with frontier models

Stars
56,394
Forks
5,497
Last commit
10 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
38,333
Forks
4,188
Last commit
13 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
24,969
Forks
4,230
Last commit
3 hours ago

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

Alternative to:

Buffer

Parlant

Build compliant customer-facing AI agents with control

Stars
16,782
Forks
1,405
Last commit
18 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
16,048
Forks
1,104
Last commit
2 days 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

Formbricks

Privacy-first surveys that respect your data ownership

Stars
11,667
Forks
2,067
Last commit
4 hours ago

Open source experience management platform for gathering user feedback on websites and apps. GDPR-compliant with self-hosting options and seamless integrations.

Alternative to:

Tally

Hanko

Secure, passwordless authentication for modern web apps

Stars
8,704
Forks
1,010
Last commit
2 days 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
5,034
Forks
273
Last commit
7 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
3,701
Forks
321
Last commit
4 days ago

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

Alternative to:

Lokalise

Keila

Open-source email marketing for the privacy-conscious

Stars
1,916
Forks
132
Last commit
6 days ago

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

Alternative to:

Substack

Comp AI

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

Stars
1,298
Forks
222
Last commit
2 days 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
900
Forks
108
Last commit
2 days ago

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

Alternative to:

Vanta

Cossistant

AI-native support infrastructure for modern SaaS

Stars
231
Forks
11
Last commit
2 days ago

Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.

Alternative to:

Zendesk

Openlane

Open source compliance automation and risk management

Stars
176
Forks
32
Last commit
1 day 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
164,797
Forks
52,621
Last commit
1 day 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
142,042
Forks
8,214
Last commit
4 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
123,314
Forks
19,174
Last commit
2 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
118,984
Forks
16,754
Last commit
10 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
113,085
Forks
11,942
Last commit
2 days 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
104,740
Forks
15,461
Last commit
2 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
104,405
Forks
23,883
Last commit
4 days ago

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

Alternative to:

Unity

Supabase

Open-source Firebase alternative for modern app development

Stars
95,190
Forks
11,092
Last commit
3 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
87,413
Forks
4,610
Last commit
5 hours ago

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

Alternative to:

Google Photos

Browser Use

AI-powered browser automation for seamless web interactions

Stars
74,166
Forks
8,883
Last commit
2 days ago

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

Alternative to:

Browserbase

LobeChat

Your personal AI assistant for enhanced productivity

Stars
69,462
Forks
14,286
Last commit
2 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

Firecrawl

Blazing-fast web crawling for modern developers

Stars
71,282
Forks
5,570
Last commit
2 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

ElasticSearch

The leading distributed search and analytics engine

Stars
75,719
Forks
25,746
Last commit
3 hours ago

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

Alternative to:

AWS Kendra

Uptime Kuma

Self-hosted monitoring tool for websites and services

Stars
80,191
Forks
7,151
Last commit
8 hours ago

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

Alternative to:

Opsgenie

OpenHands

Open source AI agents for software development

Stars
65,935
Forks
8,117
Last commit
5 hours ago

Build and deploy autonomous AI agents that can write code, fix bugs, and handle complex software development tasks with minimal human intervention.

Alternative to:

Claude Code

Zed

Code at the speed of thought with AI collaboration

Stars
72,067
Forks
6,392
Last commit
2 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
72,226
Forks
3,867
Last commit
1 month 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
47,572
Forks
23,435
Last commit
3 days 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
77,393
Forks
5,481
Last commit
4 days 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
69,545
Forks
16,378
Last commit
2 days 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
71,447
Forks
13,303
Last commit
17 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
57,674
Forks
5,840
Last commit
1 day 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

Odoo

All-in-one business management suite for modern enterprises

Stars
48,038
Forks
30,883
Last commit
2 hours ago

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

Alternative to:

HubSpot

Ladybird

A truly independent web browser backed by a non-profit

Stars
57,118
Forks
2,570
Last commit
5 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
67,144
Forks
4,802
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
77,141
Forks
6,286
Last commit
3 days 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
70,798
Forks
9,333
Last commit
3 days 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

Maybe

Empower your financial future with AI-driven insights

Stars
53,905
Forks
4,890
Last commit
5 months ago

AI-powered personal finance tool for budgeting, investing, and achieving financial goals with personalized recommendations

Alternative to:

YNAB

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.

Our Sponsors

Proudly supported by these partners who believe in our mission.

Cline

Novu

Postiz

Parlant

Cap

Formbricks

Hanko

OpenPanel

Tolgee

Keila

Comp AI

Probo

Cossistant

Openlane

n8n

Langflow

Dify

Open WebUI

Excalidraw

RustDesk

Godot

Supabase

Immich

Browser Use

LobeChat

Firecrawl

ElasticSearch

Uptime Kuma

OpenHands

Zed

LocalSend

Flowise AI

Hoppscotch

Apache Superset

Grafana

Crawl4AI

Odoo

Ladybird

AppFlowy

NetData

Strapi

Maybe

People are looking for alternatives to...

Cursor

n8n

Notion

Lovable

Pocket

Screen Studio

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Command Menu

People are looking for alternatives to...

Cursor

n8n

Notion

Lovable

Pocket

Screen Studio

Cline

Novu

Postiz

Parlant

Cap

Formbricks

Hanko

OpenPanel

Tolgee

Keila

Comp AI

Probo

Cossistant

Openlane

n8n

Langflow

Dify

Open WebUI