Open-Awesome
CategoriesAlternativesStacksSelf-HostedExplore
Open-Awesome

© 2026 Open-Awesome. Curated for the developer elite.

TermsPrivacyAboutGitHubRSS

Know a missing alternative?

Help expand the directory by suggesting a product or submitting an open-source alternative.

Submit a productSuggest an alternative
Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a projectStar on GitHub

Find the best open-source alternatives

Discover community-driven replacements for popular proprietary software.

Popular searchesPostmanWordPressEvernoteNumPy

Popular products

Most searched proprietary tools with open-source replacements

Hoppscotch
Postman31 alts

An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.

TypeScript80.2k
Official examples
WordPress22 alts

An open-source, fullstack Next.js framework that provides a TypeScript backend and admin panel, usable as a headless CMS or for building applications.

TypeScript44.6k
joplin
Evernote21 alts

A privacy-focused, open-source note-taking app with end-to-end encrypted sync across all major platforms.

TypeScript56.3k
stdlib
NumPy20 alts

A standard library for JavaScript and TypeScript with an emphasis on numerical and scientific computation.

JavaScript6.0k

Browse all

Showing 2,872 products with open-source alternatives

PopularRecently addedA–Z
Better Translation Manager
Delphi Translation Manager1 alts

A localization and translation tool for Delphi applications that replaces the standard Delphi Translation Manager.

Pascal44
Qu3e
Bullet1 alts

A lightweight, fast, and simple 3D physics engine in C++ designed for games, supporting only box collision for ease of use.

C992
tambourine-voice
Wispr Flow1 alts

An open-source voice dictation tool that types your speech at the cursor in any application, powered by customizable AI transcription and formatting.

Rust380
ggforce
D3.js1 alts

An R package that extends ggplot2 with missing functionality for custom plot composition and advanced visualizations.

R956
Cortex
Google AI Platform1 alts

A platform for deploying, managing, and scaling machine learning models in production on AWS infrastructure.

Go8.0k
ONLYOFFICE
SharePoint1 alts

A free open-source collaborative system for document management, CRM, project management, and email aggregation.

C#3.2k
Stagemonitor
Elastic APM1 alts

An open-source Java application performance monitoring agent with preconfigured dashboards for Elasticsearch, Graphite, and InfluxDB.

Java1.7k
ArduinoJson
Arduino_JSON1 alts

A C++ JSON library for Arduino and IoT devices, focusing on efficiency and minimal resource usage.

C++7.2k
Attendize
TicketSource1 alts

An open-source ticket selling and event management platform built on Laravel, enabling organizers to avoid third-party fees.

PHP4.3k
PSHunt
Infocyte HUNT1 alts

A PowerShell module for remote endpoint threat hunting, scanning for indicators of compromise and collecting system state information.

PowerShell293
nvim-tabline
tabline.vim1 alts

A minimal Neovim tabline plugin written in Lua, serving as a drop-in replacement for tabline.vim.

Lua94
Crank
Foreman1 alts

A Crystal language port of Foreman for managing Procfile-based applications.

Crystal52
GLIntercept
GLSLDevil1 alts

A Windows OpenGL function call interceptor that logs all OpenGL calls for debugging and analysis.

C++553
vmn
setuptools-scm1 alts

Automatic version management and state recovery tool that works with any language and stores versions in git tags.

Python65
Quickwit-oss/quickwit
Tempo1 alts

A cloud-native search engine optimized for observability data like logs and traces, offering sub-second search on cloud storage.

Rust11.6k
Attendize
TicketTailor1 alts

An open-source ticket selling and event management platform built on Laravel, enabling organizers to avoid third-party fees.

PHP4.3k
mdBook
GitBook1 alts

A command-line tool to create modern online books from Markdown files, implemented in Rust.

Rust22.1k
check-if-email-exists
hunter.io1 alts

A Rust tool to verify email address deliverability without sending emails, with CLI, HTTP backend, and library options.

Rust9.5k
MemoryCache
NSCache1 alts

A type-safe, thread-safe LRU memory cache implementation for Swift applications.

Swift78
Swiftbrew
Homebrew1 alts

A package manager that installs prebuilt Swift command line tool packages, like Homebrew for Swift.

Swift150
Twin Tools Add-In
ReSharper1 alts

A productivity add-in for Xamarin Studio that enhances navigation, file toggling, and code generation.

C#21
snitch
doctest1 alts

A lightweight C++20 testing framework focused on minimal heap allocation and fast compilation.

C++317
LibreCAD
QCAD Professional1 alts

A free, open-source, cross-platform 2D CAD application for reading and editing DXF/DWG files and exporting to PDF/SVG.

C++6.3k
sensor-mqtt-homeassistant
Tasmota1 alts

A MicroPython-based sensor platform for ESP8266/32 with remote code updates and MQTT/Home Assistant integration.

Python15
ConvertX
OnlineConvert1 alts

A self-hosted online file converter supporting over 1000 different formats across documents, images, video, and more.

TypeScript18.6k
Valet Linux
Homestead1 alts

A Laravel development environment for Linux that runs Nginx and DnsMasq to serve sites on *.test domains.

PHP1.5k
Mattermost
Slack Desktop1 alts

A native desktop application for the Mattermost open-source collaboration platform, built on Electron.

TypeScript2.3k
Maddy
Postfix1 alts

A composable, all-in-one mail server that implements SMTP, IMAP, DKIM, SPF, DMARC, and more in a single daemon.

Go6.1k
Magnificent.js
ElevateZoom1 alts

A jQuery plugin for responsive zoom of images and other content with scroll, drag, and touch interactions.

JavaScript165
Python Gemini CLI SDK
Claude Code SDK1 alts

A Python SDK for programmatically interacting with Gemini CLI, designed to be API-compatible with the Claude Code SDK.

Python18
Nullboard
Wekan1 alts

A minimalist, single-file kanban board that stores all data locally for offline use.

HTML4.1k
drawio
draw.io (cloud)1 alts

A JupyterLab extension that embeds the drawio/mxgraph diagramming tool directly into the JupyterLab interface.

JavaScript623
vue-facing-decorator
vue-class-component1 alts

A Vue 3 library providing TypeScript decorators for writing Vue components as ES classes.

TypeScript401
fat-free-crm
Salesforce1 alts

An open-source Ruby on Rails CRM platform for managing leads, contacts, opportunities, and campaigns with group collaboration.

Ruby3.6k
sajson
RapidJSON1 alts

A lightweight, extremely high-performance, in-place DOM-style JSON parser for C++11.

C++573
Shiki PHP
Torchlight1 alts

A PHP package that provides syntax highlighting using Shiki's language engine with support for 100+ languages.

JavaScript312
1…394041…80