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.

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

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Relaticle

Modern open-source CRM that grows with your business

Stars
1,253
Forks
133
Last commit
5 hours ago

Transform customer relationships with this intuitive open-source CRM. Features task management, sales pipeline tracking, and customizable data models.

Open Source Alternative to:

HubSpot

Tirreno

Security framework that protects from within your product

Stars
1,244
Forks
137
Last commit
10 days ago

Open-source security framework for threat detection, fraud prevention, and abuse monitoring. Self-hosted solution with built-in dashboard and risk scoring.

Open Source Alternative to:

Seon

Pearl

AI-powered automation that lives in your Slack workspace

Stars
1,070
Forks
174
Last commit
2 days ago

Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.

Open Source Alternative to:

Viktor

Amical

Type 10x faster with AI-powered voice dictation

Stars
1,141
Forks
95
Last commit
23 hours ago

Open source AI dictation app that transforms speech to text with context-aware formatting. Fast, accurate transcription for meetings, notes, and hands-free typing.

Open Source Alternative to:

Wispr Flow

Languine

Automated localization for modern development teams

Stars
1,948
Forks
123
Last commit
1 year ago

A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.

Open Source Alternative to:

Crowdin

Gigapipe

All-in-one observability with unlimited data ingestion

Stars
1,659
Forks
89
Last commit
8 days ago

Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.

Open Source Alternative to:

DataDog

WunderGraph

Unify APIs, databases, and services effortlessly

Stars
1,198
Forks
230
Last commit
5 hours ago

A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Open Source Alternative to:

Apollo GraphQL

Apache Cloudberry

Unlock Data's Potential with Open Source Power

Stars
1,201
Forks
207
Last commit
2 hours ago

Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.

Open Source Alternative to:

Snowflake

Minutes

Record, transcribe & search conversations locally

Stars
1,081
Forks
111
Last commit
4 hours ago

Open-source conversation memory tool with local transcription via whisper.cpp, structured markdown output, and Claude integration. Free forever.

Open Source Alternative to:

Granola

Terrateam

GitOps orchestration for infrastructure as code

Stars
1,218
Forks
64
Last commit
1 day ago

Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.

Open Source Alternative to:

Red Hat Ansible

XWiki

Open-source knowledge management and collaboration platform

Stars
1,236
Forks
625
Last commit
15 hours ago

XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.

Open Source Alternative to:

Notion

Hook0

Open-source webhooks for seamless integrations

Stars
1,399
Forks
94
Last commit
18 hours ago

Self-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.

Open Source Alternative to:

Zapier

Splitpro

Effortlessly split expenses with friends and groups

Stars
1,185
Forks
148
Last commit
2 days ago

Free, open-source expense sharing app with multi-currency support, unequal splits, and receipt uploads. Import from Splitwise and enjoy PWA functionality.

Open Source Alternative to:

Splitwise

Peekaping

Self-hosted uptime monitoring you own and control

Stars
1,087
Forks
56
Last commit
6 days ago

Open-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.

Open Source Alternative to:

Opsgenie

LLM Gateway

Unified API for all LLM providers with analytics

Stars
1,098
Forks
118
Last commit
11 hours ago

Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance monitoring.

Open Source Alternative to:

Eden AI

Beaver Notes

Privacy-focused note-taking app with Markdown support

Stars
1,217
Forks
63
Last commit
15 days ago

A local-first note-taking application that prioritizes privacy and efficiency, featuring Markdown support, offline access, and powerful organization tools.

Open Source Alternative to:

Notion

Frappe Insights

Powerful open-source business intelligence for data-driven decisions

Stars
892
Forks
438
Last commit
23 hours ago

Connect multiple data sources, build complex queries, create insightful visualizations, and organize powerful dashboards to make informed business decisions.

Open Source Alternative to:

Power BI

Databuddy

Privacy-first analytics without cookies or tracking

Stars
990
Forks
178
Last commit
2 days ago

Get powerful web analytics with zero cookies, 100% GDPR compliance, and full data ownership. Lightweight 3KB script delivers real-time insights without compromising user privacy.

Open Source Alternative to:

Google Analytics

Nightingale

Transform any song into karaoke with AI-powered vocals

Stars
1,008
Forks
65
Last commit
9 days ago

AI-powered karaoke software that separates vocals from any song, transcribes lyrics with word-level sync, scores your pitch in real-time, and includes dynamic backgrounds.

Open Source Alternative to:

Smule

Sync-in

Open-source file storage with complete data sovereignty

Stars
1,016
Forks
47
Last commit
7 hours ago

Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.

Open Source Alternative to:

Google Drive

Hexabot

Build and manage AI-powered chatbots with ease

Stars
939
Forks
213
Last commit
14 hours ago

Hexabot is an open-source platform for creating intelligent, multilingual chatbots without coding complexity.

Open Source Alternative to:

Voiceflow

Kodus

Effortless Code Reviews, Tailored for You

Stars
1,044
Forks
95
Last commit
1 hour ago

Enhance code quality with precise, customizable AI reviews. Improve security, performance, and team productivity effortlessly.

Open Source Alternative to:

CodeRabbit

Zen

Clean, distraction-free note-taking with local storage

Stars
1,076
Forks
59
Last commit
2 days ago

Minimal note-taking app storing Markdown notes in local SQLite database. Features instant search, flexible tagging, keyboard shortcuts, and offline access.

Open Source Alternative to:

OneNote

Hercules

Open-source vertical testing agent for effortless QA

Stars
977
Forks
149
Last commit
1 day ago

Hercules is an AI-powered testing agent that enables zero-code, zero-maintenance automated testing for web and API scenarios.

Tesseral

Enterprise-ready B2B auth and user management in minutes

Stars
1,123
Forks
51
Last commit
2 months ago

Complete B2B authentication solution with SSO, role management, API security, and pre-built UI components. Ship enterprise-grade auth in just a few lines of code.

Open Source Alternative to:

Clerk

CourseLit

Create, sell, and manage online courses with ease

Stars
1,129
Forks
230
Last commit
13 hours ago

An open-source platform for building and selling online courses, featuring customizable themes, integrated payments, and user management.

Open Source Alternative to:

Udemy

Tillywork

Complete B2B work management with projects, CRM, and agile tools

Stars
1,287
Forks
96
Last commit
9 months ago

Comprehensive work management platform for B2B teams featuring project management, sales CRM, agile workflows, and advanced reporting - all in one free solution.

Open Source Alternative to:

Linear

Cozy

Your secure French personal cloud for complete data control

Stars
1,263
Forks
142
Last commit
15 hours ago

Open-source personal cloud that automatically gathers all your data from third-party services. French-hosted with privacy-first design, no ads, and seamless device sync.

Open Source Alternative to:

1Password

LogChimp

Open-source feedback management for product teams

Stars
1,078
Forks
204
Last commit
14 hours ago

Collect, organize, and prioritize user feedback to build better products. Self-hosted solution for seamless feature request management.

Open Source Alternative to:

Featurebase

Hoodik

Secure self-hosted cloud storage with end-to-end encryption

Stars
1,098
Forks
46
Last commit
3 days ago

Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.

Open Source Alternative to:

Dropbox

Flow

Fast, secure browsing with powerful organization features

Stars
951
Forks
54
Last commit
9 hours ago

A modern browser combining minimalist design with smart features like profiles, spaces, and command palette. Full Chrome extension support and privacy-focused browsing.

Open Source Alternative to:

Firefox

Tuleap

Complete agile project management with compliance built-in

Stars
1,122
Forks
299
Last commit
1 month ago

All-in-one open source platform for agile planning, software development, test management, and regulatory compliance. Perfect for teams needing flexibility.

Open Source Alternative to:

Monday

Meteroid

Flexible billing infrastructure for modern SaaS

Stars
1,010
Forks
51
Last commit
1 day ago

Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.

Open Source Alternative to:

Stripe Billing

ProcessWire

Flexible CMS for developers, powerful for clients

Stars
1,115
Forks
206
Last commit
12 hours ago

A versatile, open-source content management system with a powerful API, modular architecture, and intuitive interface for seamless web development.

Open Source Alternative to:

WordPress

Faved

Self-hosted bookmark manager with full data control

Stars
817
Forks
48
Last commit
4 days ago

Free, open-source bookmark manager that's superfast and secure. Organize with customizable nested tags, save from any browser via bookmarklet.

Open Source Alternative to:

Pocket

Keyshade

Secure secret management with public key encryption

Stars
750
Forks
260
Last commit
9 days ago

Secure secret management platform with public key encryption, automated rotation, versioning, and real-time collaboration tools for development teams.

Open Source Alternative to:

1Password

Vvveb CMS

Open source CMS with powerful drag-and-drop builder

Stars
1,007
Forks
190
Last commit
1 day ago

Vvveb is a feature-rich open source CMS for building websites, blogs, and ecommerce stores with an intuitive drag-and-drop interface.

Open Source Alternative to:

WordPress

Documind

Extract structured data from documents with AI

Stars
1,470
Forks
60
Last commit
11 months ago

Documind uses advanced AI and LLMs to extract structured data from PDFs, images, and other documents, streamlining document processing and automation.

Taiga

Free and open-source project management for agile teams

Stars
820
Forks
283
Last commit
25 days ago

Taiga is an intuitive project management tool for cross-functional agile teams, offering Kanban, Scrum, and issue tracking features.

Open Source Alternative to:

Monday

TimeScribe

Transform your time tracking into actionable insights

Stars
800
Forks
71
Last commit
2 days ago

Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.

Open Source Alternative to:

Toggl

Phase

Secure, deploy, and manage application secrets effortlessly

Stars
846
Forks
59
Last commit
2 hours ago

Open source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.

Open Source Alternative to:

1Password

Voiden

Build APIs like code with Git-native workspace

Stars
745
Forks
22
Last commit
19 hours ago

Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.

Open Source Alternative to:

Postman

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

People are looking for alternatives to...

Relaticle

Modern open-source CRM that grows with your business

Stars
1,253
Forks
133
Last commit
5 hours ago

Transform customer relationships with this intuitive open-source CRM. Features task management, sales pipeline tracking, and customizable data models.

Open Source Alternative to:

HubSpot

Tirreno

Security framework that protects from within your product

Stars
1,244
Forks
137
Last commit
10 days ago

Open-source security framework for threat detection, fraud prevention, and abuse monitoring. Self-hosted solution with built-in dashboard and risk scoring.

Open Source Alternative to:

Seon

Pearl

AI-powered automation that lives in your Slack workspace

Stars
1,070
Forks
174
Last commit
2 days ago

Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.

Open Source Alternative to:

Viktor

Amical

Type 10x faster with AI-powered voice dictation

Stars
1,141
Forks
95
Last commit
23 hours ago

Open source AI dictation app that transforms speech to text with context-aware formatting. Fast, accurate transcription for meetings, notes, and hands-free typing.

Open Source Alternative to:

Wispr Flow

Languine

Automated localization for modern development teams

Stars
1,948
Forks
123
Last commit
1 year ago

A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.

Open Source Alternative to:

Crowdin

Gigapipe

All-in-one observability with unlimited data ingestion

Stars
1,659
Forks
89
Last commit
8 days ago

Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.

Open Source Alternative to:

DataDog

WunderGraph

Unify APIs, databases, and services effortlessly

Stars
1,198
Forks
230
Last commit
5 hours ago

A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Open Source Alternative to:

Apollo GraphQL

Apache Cloudberry

Unlock Data's Potential with Open Source Power

Stars
1,201
Forks
207
Last commit
2 hours ago

Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.

Open Source Alternative to:

Snowflake

Minutes

Record, transcribe & search conversations locally

Stars
1,081
Forks
111
Last commit
4 hours ago

Open-source conversation memory tool with local transcription via whisper.cpp, structured markdown output, and Claude integration. Free forever.

Open Source Alternative to:

Granola

Terrateam

GitOps orchestration for infrastructure as code

Stars
1,218
Forks
64
Last commit
1 day ago

Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.

Open Source Alternative to:

Red Hat Ansible

XWiki

Open-source knowledge management and collaboration platform

Stars
1,236
Forks
625
Last commit
15 hours ago

XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.

Open Source Alternative to:

Notion

Hook0

Open-source webhooks for seamless integrations

Stars
1,399
Forks
94
Last commit
18 hours ago

Self-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.

Open Source Alternative to:

Zapier

Splitpro

Effortlessly split expenses with friends and groups

Stars
1,185
Forks
148
Last commit
2 days ago

Free, open-source expense sharing app with multi-currency support, unequal splits, and receipt uploads. Import from Splitwise and enjoy PWA functionality.

Open Source Alternative to:

Splitwise

Peekaping

Self-hosted uptime monitoring you own and control

Stars
1,087
Forks
56
Last commit
6 days ago

Open-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.

Open Source Alternative to:

Opsgenie

LLM Gateway

Unified API for all LLM providers with analytics

Stars
1,098
Forks
118
Last commit
11 hours ago

Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance monitoring.

Open Source Alternative to:

Eden AI

Beaver Notes

Privacy-focused note-taking app with Markdown support

Stars
1,217
Forks
63
Last commit
15 days ago

A local-first note-taking application that prioritizes privacy and efficiency, featuring Markdown support, offline access, and powerful organization tools.

Open Source Alternative to:

Notion

Frappe Insights

Powerful open-source business intelligence for data-driven decisions

Stars
892
Forks
438
Last commit
23 hours ago

Connect multiple data sources, build complex queries, create insightful visualizations, and organize powerful dashboards to make informed business decisions.

Open Source Alternative to:

Power BI

Databuddy

Privacy-first analytics without cookies or tracking

Stars
990
Forks
178
Last commit
2 days ago

Get powerful web analytics with zero cookies, 100% GDPR compliance, and full data ownership. Lightweight 3KB script delivers real-time insights without compromising user privacy.

Open Source Alternative to:

Google Analytics

Nightingale

Transform any song into karaoke with AI-powered vocals

Stars
1,008
Forks
65
Last commit
9 days ago

AI-powered karaoke software that separates vocals from any song, transcribes lyrics with word-level sync, scores your pitch in real-time, and includes dynamic backgrounds.

Open Source Alternative to:

Smule

Sync-in

Open-source file storage with complete data sovereignty

Stars
1,016
Forks
47
Last commit
7 hours ago

Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.

Open Source Alternative to:

Google Drive

Hexabot

Build and manage AI-powered chatbots with ease

Stars
939
Forks
213
Last commit
14 hours ago

Hexabot is an open-source platform for creating intelligent, multilingual chatbots without coding complexity.

Open Source Alternative to:

Voiceflow

Kodus

Effortless Code Reviews, Tailored for You

Stars
1,044
Forks
95
Last commit
1 hour ago

Enhance code quality with precise, customizable AI reviews. Improve security, performance, and team productivity effortlessly.

Open Source Alternative to:

CodeRabbit

Zen

Clean, distraction-free note-taking with local storage

Stars
1,076
Forks
59
Last commit
2 days ago

Minimal note-taking app storing Markdown notes in local SQLite database. Features instant search, flexible tagging, keyboard shortcuts, and offline access.

Open Source Alternative to:

OneNote

Hercules

Open-source vertical testing agent for effortless QA

Stars
977
Forks
149
Last commit
1 day ago

Hercules is an AI-powered testing agent that enables zero-code, zero-maintenance automated testing for web and API scenarios.

Tesseral

Enterprise-ready B2B auth and user management in minutes

Stars
1,123
Forks
51
Last commit
2 months ago

Complete B2B authentication solution with SSO, role management, API security, and pre-built UI components. Ship enterprise-grade auth in just a few lines of code.

Open Source Alternative to:

Clerk

CourseLit

Create, sell, and manage online courses with ease

Stars
1,129
Forks
230
Last commit
13 hours ago

An open-source platform for building and selling online courses, featuring customizable themes, integrated payments, and user management.

Open Source Alternative to:

Udemy

Tillywork

Complete B2B work management with projects, CRM, and agile tools

Stars
1,287
Forks
96
Last commit
9 months ago

Comprehensive work management platform for B2B teams featuring project management, sales CRM, agile workflows, and advanced reporting - all in one free solution.

Open Source Alternative to:

Linear

Cozy

Your secure French personal cloud for complete data control

Stars
1,263
Forks
142
Last commit
15 hours ago

Open-source personal cloud that automatically gathers all your data from third-party services. French-hosted with privacy-first design, no ads, and seamless device sync.

Open Source Alternative to:

1Password

LogChimp

Open-source feedback management for product teams

Stars
1,078
Forks
204
Last commit
14 hours ago

Collect, organize, and prioritize user feedback to build better products. Self-hosted solution for seamless feature request management.

Open Source Alternative to:

Featurebase

Hoodik

Secure self-hosted cloud storage with end-to-end encryption

Stars
1,098
Forks
46
Last commit
3 days ago

Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.

Open Source Alternative to:

Dropbox

Flow

Fast, secure browsing with powerful organization features

Stars
951
Forks
54
Last commit
9 hours ago

A modern browser combining minimalist design with smart features like profiles, spaces, and command palette. Full Chrome extension support and privacy-focused browsing.

Open Source Alternative to:

Firefox

Tuleap

Complete agile project management with compliance built-in

Stars
1,122
Forks
299
Last commit
1 month ago

All-in-one open source platform for agile planning, software development, test management, and regulatory compliance. Perfect for teams needing flexibility.

Open Source Alternative to:

Monday

Meteroid

Flexible billing infrastructure for modern SaaS

Stars
1,010
Forks
51
Last commit
1 day ago

Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.

Open Source Alternative to:

Stripe Billing

ProcessWire

Flexible CMS for developers, powerful for clients

Stars
1,115
Forks
206
Last commit
12 hours ago

A versatile, open-source content management system with a powerful API, modular architecture, and intuitive interface for seamless web development.

Open Source Alternative to:

WordPress

Faved

Self-hosted bookmark manager with full data control

Stars
817
Forks
48
Last commit
4 days ago

Free, open-source bookmark manager that's superfast and secure. Organize with customizable nested tags, save from any browser via bookmarklet.

Open Source Alternative to:

Pocket

Keyshade

Secure secret management with public key encryption

Stars
750
Forks
260
Last commit
9 days ago

Secure secret management platform with public key encryption, automated rotation, versioning, and real-time collaboration tools for development teams.

Open Source Alternative to:

1Password

Vvveb CMS

Open source CMS with powerful drag-and-drop builder

Stars
1,007
Forks
190
Last commit
1 day ago

Vvveb is a feature-rich open source CMS for building websites, blogs, and ecommerce stores with an intuitive drag-and-drop interface.

Open Source Alternative to:

WordPress

Documind

Extract structured data from documents with AI

Stars
1,470
Forks
60
Last commit
11 months ago

Documind uses advanced AI and LLMs to extract structured data from PDFs, images, and other documents, streamlining document processing and automation.

Taiga

Free and open-source project management for agile teams

Stars
820
Forks
283
Last commit
25 days ago

Taiga is an intuitive project management tool for cross-functional agile teams, offering Kanban, Scrum, and issue tracking features.

Open Source Alternative to:

Monday

TimeScribe

Transform your time tracking into actionable insights

Stars
800
Forks
71
Last commit
2 days ago

Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.

Open Source Alternative to:

Toggl

Phase

Secure, deploy, and manage application secrets effortlessly

Stars
846
Forks
59
Last commit
2 hours ago

Open source platform for engineering teams to manage secrets and environment variables from development to production, with powerful integrations.

Open Source Alternative to:

1Password

Voiden

Build APIs like code with Git-native workspace

Stars
745
Forks
22
Last commit
19 hours ago

Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.

Open Source Alternative to:

Postman

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.

People are looking for alternatives to...

Spotify

Notion

n8n

Lovable

Cursor

Discord

People are looking for alternatives to...

People are looking for alternatives to...

Spotify

Notion

n8n

Lovable

Cursor

Discord