KiCad is an open-source electronics design automation suite for schematics and PCB layout, with a 3D viewer, Gerber tools, and cross-platform desktop applications.KiCad
A modern typesetting system, comparable in spirit to TeX but built from scratch, that turns structured documents into beautifully laid-out PDFs and is programmable in Lua.sile-typesetter
git-subrepo is a Git subcommand and submodule alternative that vendors an external repository into a subdirectory while still allowing upstream pulls and local pushes.ingydotnet
A multi-platform asynchronous I/O library providing an event loop, async networking and file operations, DNS, child processes and a thread pool, used primarily by Node.js.libuv
A multi-architecture disassembly framework with a unified API and rich instruction semantics across many CPU architectures for binary analysis and security tooling.capstone-engine
Open Source Point of Sale is a web-based PHP retail management system for inventory, sales registers, receipts, customers, and detailed store reporting.opensourcepos
A JavaScript library and CLI for creating music: describe rhythms and chord progressions with simple strings and arrays, then export MIDI or play live in the browser with Tone.js.scribbletune
cool-retro-term is a terminal emulator that recreates the look and feel of old cathode-ray tube displays. It is eye-candy, customizable, and available for Linux and macOS.Swordfish90
The official command-line interface for Ionic, helping developers create, run, build and debug cross-platform mobile apps built with the Ionic framework.ionic-team
The MEGA SDK is a C++ client access engine that lets developers integrate MEGA's end-to-end encrypted cloud storage into their own applications and analyze its security.meganz
Gogh is a collection of color schemes for many terminal emulators, with a simple installer that lets users browse and apply themes across Linux and macOS.Gogh-Co
A lightweight Windows desktop anime tracker. It detects episodes played on your computer, synchronizes watch progress with AniList, Kitsu or MyAnimeList, and helps manage your anime library and discovery.erengy
A dashboard for monitoring code debt in a Git repository. It walks the commit history, computes configurable metrics into a database, and serves charts so teams can watch trends over time.asottile
A self-hosted chat server with OAuth2 login, persistent searchable history, private rooms, markdown, media embeds, plugins and many community features.Canop
A Node.js web application boilerplate with auth, accounts, API examples, and project structure for rapidly starting hackathon and production apps.sahat
Free open-source web-based IT asset management system for tracking device assignment, procurement, and software licenses, designed for direct use by operations teams.grokability
pgBackRest is a reliable PostgreSQL backup and restore solution supporting parallel operations, full, differential, and incremental backups, multiple repositories, encryption, and object storage.pgbackrest
Faraday is an open-source vulnerability management platform that aggregates and normalizes results from many scanners, adding multiuser collaboration, visualization, and reporting.infobyte
A Linux kernel LKM rootkit for security research that hides processes and files, toggles its own visibility, and grants root to a chosen user via signals.m0nad
Product Opener is the open-source server behind Open Food Facts, a crowdsourced food-product database with ingredients, allergens, nutrition data, an open API, and a web interface.openfoodfacts
Semantic MediaWiki is an extension that turns MediaWiki into a knowledge management platform by letting pages store and query structured data and publish it as semantic web data.SemanticMediaWiki
A bash installer that sets up a complete LAMP stack—Apache, MariaDB and PHP—on major Linux distributions, with upgrade, uninstall, virtual-host and database management helpers.teddysun
An open-source business intelligence platform that lets users query dozens of data sources, build visualizations, and share interactive dashboards in the browser.getredash
A Python batch document processor that renders reStructuredText and Sphinx sources into beautifully styled, print-ready PDF documents with templates.brechtm
A desktop audio encoder that splits album-length CD images into individual tracks using CUE data and lets you edit tags across formats in one pass.flacon
A general-purpose command-line fuzzy finder and interactive terminal toolkit. It lets users filter files, history, and arbitrary input, with shell integrations, previews, and key bindings for building terminal workflows.junegunn
upper/db is a productive data access layer for Go with ORM-like features. It offers a consistent API across PostgreSQL, MySQL, MSSQL, CockroachDB, SQLite, and MongoDB, simplifying database access and query building.upper
A cross-platform music tracker for creating MOD and XM module files. It recreates the Fasttracker II workflow and adds Amiga ProTracker compatibility, aimed at chiptune and tracker musicians.milkytracker
AnsiWeather is a shell-based command-line weather tool that displays current conditions and multi-day forecasts in the terminal using ANSI colors and Unicode symbols.fcambus
FDWaveformView is a Swift UIKit component that renders audio waveforms and supports scrubbing, zooming, scrolling and playback highlighting, ready to embed in iOS and visionOS apps.fulldecent
A streaming torrent client library for Node.js and browsers that enables peer-to-peer downloading, seeding, and video streaming in pure JavaScript.webtorrent
An installation script that sets up Ubiquiti's UniFi Controller on pfSense and other FreeBSD systems, including dependencies and an rc service script.unofficial-unifi
ShareX is a free, open-source Windows screen capture, recording and file-sharing tool with annotation, OCR, upload destinations and customizable hotkey workflows.ShareX
A general-purpose malloc implementation focused on fragmentation avoidance and scalable concurrency, widely used as a libc allocator replacement in demanding applications.jemalloc
A zsh plugin that lets you bookmark frequently used directories as warp points and jump to them instantly, with fuzzy browsing, completion and cleanup commands.mfaerevaag
OBS Studio is free, open-source software for live streaming and screen recording, with scene composition, encoding, and multi-platform broadcast support.obsproject
Next Generation Shell is a modern programming language for DevOps, with structured data handling, external command integration, and an AWS library.ngs-lang
InfluxDB 3 Core is an open-source time-series database for metrics, events and real-time analytics, built on Apache Arrow, DataFusion and Parquet with SQL and InfluxQL query support.influxdata
PDFsam Basic is a free cross-platform desktop application for splitting, merging, mixing, rotating and extracting pages from PDF files through a graphical interface.torakiki
NoSQLMap is a Python security tool for auditing NoSQL databases and web apps. It automates enumeration, injection attacks, and exploitation of weak default configurations.codingo
Git Large File Storage is a command-line extension that replaces large files in Git with lightweight pointers while storing the actual content separately.git-lfs
CorfuDB is a cluster consistency platform built around a distributed shared log. It provides linearizable reads and writes, strictly serializable transactions, and highly available in-memory data structures for distributed applications.CorfuDB
OSSEC is an open-source host-based intrusion detection system. It combines log analysis, file integrity monitoring, policy checking, rootkit detection, real-time alerting and active response across a self-hosted server and agents.ossec
Bashhub is a cloud-backed shell history service and CLI that records every terminal command across machines and makes the entire history searchable, with interactive search for Bash and Zsh.rcaloras
A personal macOS dotfiles repository bundling Homebrew packages, shell and editor configuration that others can borrow or adapt for their own setup.webpro
KodExplorer is a web-based file manager and code editor that runs on a PHP server, offering multi-user access, previews, archive handling and WebDAV.kalcaddle
A Go library for building modern command-line applications with nested subcommands, POSIX flags, automatic help, shell completion, and man-page generation.spf13
A Python utility and library that sorts imports alphabetically and into sections, with a CLI, editor plugins, pre-commit support, and extensive configuration.PyCQA
A full C++ I2P client daemon that provides end-to-end encrypted anonymous networking for peer-to-peer and anonymous client-server applications.PurpleI2P
A scanner that detects vulnerable JavaScript libraries in web and Node.js projects, usable from the command line, in browsers, or in CI, with CycloneDX SBOM output.RetireJS
tmuxp is a tmux session manager that saves and loads declarative YAML or JSON workspace files, making reproducible multi-pane terminal layouts easy.tmux-python
GitVersion looks at your Git history and calculates the semantic version of the commit being built, integrating with CI pipelines, MSBuild, and release workflows.GitTools
Two handwritten-style fonts based on Randall Munroe's lettering for xkcd comics, offered as ready-to-download files for playful designs and creative typographic projects worldwide.ipython
Khal is a standards-based command-line calendar application that reads and writes iCalendar events and syncs with CalDAV servers through vdirsyncer, letting users manage schedules entirely from the terminal.pimutils
Explorer++ is a lightweight, portable file manager for Windows with tabbed browsing, drag-and-drop, search, previews, bookmarks, and advanced file operations.derceg