Find the best open-source alternatives

A free and open-source 3D voxel editor for creating graphics from cubes, available on desktop and mobile platforms.

Mautic is the world's largest open source marketing automation software, enabling businesses to run fully integrated campaigns.

A cross-platform desktop GUI client for interacting with gRPC services, supporting all streaming types and automatic proto parsing.

A custom Minecraft launcher for managing multiple installations, mods, and instances with ease.

A fast, customizable, and cross-platform system information tool similar to neofetch, written in C.

An extremely fast PHP linter, formatter, and static analyzer written in Rust.

An auto-generated, fully type-safe database client for Go that reduces boilerplate.

A free and open-source parametric 3D CAD modeler for designing real-life objects of any size.

A fast, safe, and intuitive Git client for macOS with a live interactive graph, unlimited undo, and Time Machine-like snapshots.

A native Linux application for UI and UX design, built with Vala and GTK.

A privacy-focused AI answering engine that runs on your own hardware, combining web search with local and cloud LLMs.

An open-source, self-hosted error catcher that's Airbrake API compliant for collecting and managing application errors.

Build data-centric web applications by writing SQL queries that automatically generate interactive user interfaces.

Free open-source reporting tool for .NET applications that generates document-like reports from various data sources.

A fast, parallel disk usage analyzer with an interactive console interface written in Go.

A high-performance, zero-allocation JSON serializer for C# that reads/writes directly to UTF8 binary.

An R package that extends ggplot2 to create publication-ready graphics with statistical details embedded directly in the plots.

A simple, fast, robust job/task queue for Node.js, backed by Redis, designed for short real-time jobs.

A durable background task queue and workflow orchestration platform built on Postgres with observability and flow control.

A high contrast, vivid color scheme for code editors based on Monokai Pro with adjusted contrast and multiple variants.

A stripped-down, bare-bones authentication library for Ruby on Rails applications.

A fast semantic search tool for C/C++ codebases that uses AST pattern matching to help security researchers find interesting functionality.

A simple yet powerful Python web framework for building web applications with minimal boilerplate.

A free, open-source 2D jump'n'run game inspired by Super Mario Bros., featuring Tux the penguin on a quest to rescue Penny.

Elegant iOS form builder library in Swift for declaratively creating dynamic and complex forms.

An Ansible playbook to automate the setup of a full-featured home server or NAS replacement using Ubuntu and Docker containers.

A grep-based source code auditing tool that finds potential security flaws using signature databases for multiple programming languages.

A free and open-source font editor for creating, editing, and converting fonts across multiple formats and platforms.

A fully client-side JavaScript diagramming library using SVG and HTML for rendering.

A modern, multi-threaded HTTP benchmarking tool for generating significant load on web servers and APIs.

A minimal shell script that changes the current Ruby version by updating environment variables.

A Neovim plugin that creates a distraction-free full-screen floating window for focused coding.

A high-performance Go Redis client with auto pipelining, server-assisted client-side caching, and support for Redis modules.

A Python-based interactive packet manipulation program and library for network analysis, scanning, and security testing.

A low-overhead sampling profiler for PHP 7+ that works with CLI, Apache, and FPM without requiring code changes.

A very fast and accurate code counter with complexity calculations, COCOMO/LOCOMO estimates, and unique line metrics written in pure Go.