Browse open-source tools
Browse free open-source software by category, compare descriptions and visit official projects and download pages.
Video2X
AI video upscaling — turn blurry videos into sharper, higher-resolution ones.
Shotcut
Free, open-source video editor — cut, trim, add effects, no watermarks.
HandBrake
Free video transcoder — compress, convert and shrink video files easily.
OBS Studio
Free screen recording & live streaming — the standard for creators.
Kdenlive
Professional free video editor — multi-track, keyframes, full features.
LosslessCut
Cut videos losslessly in seconds — no re-encoding, no quality loss.
FFmpeg
Universal multimedia Swiss Army knife — record, convert, stream and edit audio and video from the command line.
OpenShot Video Editor
Easy, fun and free video editor for everyone — drag-and-drop clips, titles, animations and effects.
MKVToolNix
Powerful toolkit for creating, editing and inspecting MKV and WebM files — merge, split and fix streams.
Avidemux
Free video editor for quick cutting, filtering and encoding — lightweight, scriptable and cross-platform.
Upscayl
Free AI image upscaler — enlarge photos and make them crisp.
IOPaint
AI object & watermark remover — erase unwanted things from any photo.
GIMP
Free Photoshop alternative — full-featured image editing.
Squoosh
Compress images right in your browser — no install needed.
Krita
Professional free painting app — used by digital artists worldwide.
darktable
Free photography workflow — RAW editing like Adobe Lightroom.
Inkscape
Professional vector graphics editor — draw logos, illustrations and SVGs with a free, open design tool.
ImageMagick
Robust image processing toolkit — convert, resize, edit and compose images in batch from the command line.
RawTherapee
Powerful open-source RAW photo developer — fine-tune colors, exposure and detail with pro-grade tools.
digiKam
Advanced open-source photo manager — organize, tag, edit and browse large photo collections with ease.
Audacity
Free audio editor — record, cut and mix sound like a pro.
VLC
The all-in-one media player — plays virtually any file.
mpv
Ultra-light video player — fast, minimal, powerful.
Strawberry
Free music player & organizer — beautiful, like old Winamp.
Clementine
Cross-platform music player and library manager — search, organize and play your collection with ease.
MusicBrainz Picard
Powerful music tagger that auto-renames and tags your songs using the open MusicBrainz database.
LMMS
Free open-source music workstation — make beats, synthesize sounds and arrange tracks on your computer.
Ardour
Professional digital audio workstation — record, edit and mix multi-track audio on Linux, macOS and Windows.
SoX
The Swiss Army knife of sound processing — convert, play, record and apply effects to audio files.
fre:ac
Free audio converter and CD ripper — quickly rip CDs and convert files between popular audio formats.
Motrix
Beautiful open-source download manager — fast and clean.
qBittorrent
Lightweight open-source torrent client — no ads, no bloat.
7-Zip
Free file archiver — open and compress almost any format.
ShareX
Free screenshot & screen recorder with built-in sharing.
Xtreme Download Manager
Powerful download accelerator — up to 10x faster downloads.
aria2
Lightweight multi-protocol download utility — grab files over HTTP, FTP, BitTorrent and Metalink fast.
yt-dlp
Feature-rich command-line video downloader — grab videos and audio from YouTube and thousands of sites.
Flameshot
Powerful yet simple screenshot tool — capture your screen and annotate it with shapes, arrows and text.
NanaZip
Modern open-source file archiver for Windows — a sleek 7-Zip fork with a fresh look for Windows 11.
PeaZip
Free cross-platform archive manager — open, create and extract ZIP, 7Z, RAR and many more formats.
LibreOffice
The world's leading free office suite — docs, sheets, slides.
ONLYOFFICE Desktop
Office suite with perfect Microsoft compatibility.
SumatraPDF
Tiny, lightning-fast PDF reader — opens in an instant.
Stirling-PDF
Web-based PDF toolbox — merge, split, compress & convert.
Calibre
Manage, convert and read ebooks — the complete ebook library.
Apache OpenOffice
Free open-source office suite with word processor, spreadsheets, presentations and drawing tools.
Okular
Universal document reader for PDF, EPUB, comics and more — fast, private, with rich annotation tools.
Xournal++
Handwriting notes and PDF annotation app for stylus and touch — write, sketch and mark up PDFs naturally.
Zotero
Collect, organize and cite research papers — the open-source reference manager loved by academics worldwide.
Joplin
Privacy-focused open-source note-taking app with end-to-end encryption and sync across all your devices.
BleachBit
Free disk cleaner — wipe junk and free up space safely.
TestDisk & PhotoRec
Recover lost files and partitions — a data-rescue classic.
Czkawka
Find duplicate files, similar images & empty folders — fast.
Ventoy
Make a bootable USB that can boot many ISO files at once.
Microsoft PowerToys
Microsoft's power-user utilities — fancy zones, color picker & more.
Rufus
Tiny but powerful utility to format and create bootable USB flash drives from ISOs in just a few clicks.
balenaEtcher
Flash OS images to SD cards and USB drives safely — validates writes so you never brick a card again.
WinDirStat
Visual disk usage analyzer that shows exactly what fills your drive as a treemap, then helps clean it up.
WinMerge
Open-source tool to visually compare and merge files and folders on Windows — spot every difference instantly.
Syncthing
Continuous peer-to-peer file synchronization that replaces cloud drives — your data stays private on your own devices.
Bitwarden
The most popular free password manager — sync across devices.
KeePassXC
Store passwords in a local encrypted vault — fully offline.
VeraCrypt
Create encrypted disks & folders — protect sensitive data.
Tor Browser
Browse anonymously — your privacy, encrypted and protected.
Wireshark
The world's most popular network protocol analyzer — capture and inspect live traffic packet by packet.
WireGuard
A fast, modern VPN that replaces old IPsec — leaner, simpler, and far more secure.
uBlock Origin
An efficient, lightweight blocker that kills ads, trackers, and malware sites without hogging RAM.
Pi-hole
Network-wide ad blocking at the DNS level — kill ads on every device, even your TV and phone.
Signal
Privacy-first messenger with strong end-to-end encryption — no ads, no tracking, no data mining.
Fail2ban
Scans server logs and auto-bans IPs that keep trying to brute-force your SSH and services.
Ollama
Run large AI models locally — one command, free forever.
GPT4All
Private AI chatbot on your own computer — no internet needed.
Stable Diffusion WebUI
The most popular AI art generator — draw anything with words.
llama.cpp
Run Llama and other LLMs locally in pure C/C++ — tiny, fast, and runs on almost any laptop.
ComfyUI
A node-based visual engine for Stable Diffusion — wire up workflows and craft images with total control.
InvokeAI
A pro creative studio for AI image generation — built by artists, for artists, fully self-hosted.
Fooocus
A dead-simple Stable Diffusion app — like Midjourney, it handles the tuning so you just type a prompt.
LocalAI
A drop-in OpenAI-compatible API that runs models fully offline — no GPU, no cloud, no cost.
Whisper
OpenAI's speech recognition model — transcribe and translate audio in dozens of languages, locally.
Jan
An open-source ChatGPT alternative that runs 100% offline on your own computer, no account needed.
Wings 3D
Advanced subdivision 3D modeler with intuitive polygon mesh editing tools.
Madamiru
Cross-platform dynamic media player written in Rust, lightweight and fast.
Aegisub
Advanced cross-platform subtitle editor with timing, styling and translation assistance.
ScreenToGif
Record your screen, webcam or board and edit frames into GIFs, APNG or video.
NeeView
Windows image and comic viewer with built-in video playback support and book-style UI.
faster-whisper
Fast OpenAI Whisper implementation built on CTranslate2, transcribes audio and generates subtitles with high speed.
FileBrowser
Self-hosted web-based file manager with media preview and streaming capabilities.
MediaInfo
Inspect detailed technical and tag metadata of video, audio and subtitle files.
OpenToonz
Professional 2D animation and compositing software originally used by Studio Ghibli.
FastFlix
GUI front-end for FFmpeg making video transcoding and encoding simple and automated.
FloatVision
Frameless lightweight image viewer for Windows with theme support and portable mode.
Pinta
Simple, free paint and image editing program inspired by Paint.NET.
GraphicsMagick
Powerful image processing and batch conversion toolkit supporting 80+ formats.
Tesseract OCR
Google-grade open-source OCR engine that recognizes text from images in 100+ languages.
OpenPano
Automatic panorama stitching program written in C++ from scratch using invariant features.
oxipng
Rust-written lossless PNG optimizer that shrinks PNG files with zero quality loss.
rembg
AI background removal tool that cuts out people and products from photos in one click.
ExifTool
Read, write and edit metadata (EXIF, IPTC, XMP) in almost any media file.
waifu2x
Convolutional neural network-based image upscaler and denoiser for anime-style art.
Pixelorama
Free and open-source pixel art editor made with Godot, with animation and palette support.
VexFlow
Open-source JavaScript library for rendering music notation and guitar tablature on HTML5 canvas.
Pure Data
Visual programming language for audio and multimedia, extensible via a large library of externals.
Librosa
Python audio and music analysis library for feature extraction, metadata parsing and rhythmic analysis.
Audacious
Lightweight open-source audio player with a clean interface and broad codec support.
Koel
Personal music streaming server with a modern web UI and Subsonic API compatibility.
MinusPod
Self-hosted podcast server with multi-device sync and podcasting 2.0 support.
OpenSheetMusicDisplay
Open source library that renders MusicXML sheet music in the web browser, including guitar tablature.
Beets
The music library manager that automatically tags, cleans and organizes your collection.
BeepBox
Online chiptune music sequencer for composing melodies, basslines and drum beats directly in the browser.
deflacue
SoX-based audio splitter that splits CD images with CUE sheets into individual tracks.
cURL
Command-line tool for transferring data with URLs, supporting HTTP, FTP, and many more protocols.
Far Manager
Text-based file manager with a powerful plugin system and two-panel interface.
Bulk Crap Uninstaller
Bulk-uninstall many apps at once, clean up leftovers and remove broken registry entries.
Ortu
Local-first clipboard manager built with Rust and Tauri, supporting text, images and files.
Stretchly
Gentle break reminder that pops up short micro-breaks and long breaks to protect your health.
Windows Terminal
Microsoft's modern, fast tabbed terminal for command lines, shells and SSH.
LibreAutomate
C# based Windows automation and scripting tool with UI automation, hotkeys and recorder.
fzf
Command-line fuzzy finder for files, history, processes and more, integrable with shells and editors.
Beeftext
Text snippet expander for Windows that saves time by expanding abbreviations into full text.
Typst
A modern markup-based typesetting system that compiles plain text into beautiful PDFs instantly — LaTeX-quality output without the steep learning curve.
Asciidoctor
A fast text processor that converts AsciiDoc source files to HTML, DocBook, PDF, EPUB and man pages — a mature, actively maintained document converter.
TeX Live
The comprehensive TeX distribution — a typesetting system for producing books, papers and print-quality documents, with XeLaTeX and LuaLaTeX engines.
TiddlyWiki
A non-linear personal web notebook — stores all your notes, links and macros in a single HTML file, fully self-contained and extensible with plugins.
SilverBullet
A programmable personal knowledge base — Markdown-based, self-hosted, with live queries, templates and spaces that turn plain files into a dynamic wiki.
Excalidraw
A virtual whiteboard for hand-drawn-style diagrams — sketch flowcharts, wireframes and architecture diagrams collaboratively in the browser or offline desktop app.
Markmap
Turn your Markdown into interactive mind maps — write an outline in plain text and instantly see it as a collapsible, shareable mind map.
Zathura
A highly customizable, keyboard-driven document viewer for PDF, DjVu, PostScript and EPUB — minimal interface with vi-like keybindings.
MarkText
A real-time preview Markdown editor — type with a clean distraction-free interface, live rendered output and support for GFM, tables and math.
Memos
A lightweight, self-hosted memo hub — capture short notes, snippets and bookmarks with Markdown, tags and a chronological feed, like a private Twitter.
CrystalDiskInfo
A lightweight HDD/SSD health monitor — reads S.M.A.R.T. data, shows temperature and bad sectors, and warns you before a drive fails.
Open Hardware Monitor
A free monitor for CPU, GPU, RAM and motherboard sensors — shows temperatures, fan speeds, voltages and load in one clean window.
btop
A colorful, modern resource monitor for the terminal — track CPU, memory, disks, network and processes with a responsive TUI and graph history.
imv
A tiling, keyboard-driven image viewer — fastly browse images with a minimal UI, no toolbars, and scripts for batch operations.
EarTrumpet
A modern volume mixer for Windows — control per-app audio levels right from the taskbar, with a clean flyout and default-output switching.
System Informer
A powerful, open-source Task Manager and Process Explorer replacement for Windows — inspect processes, services, network connections, disk I/O and handles, with a plugin system.
Files
A modern, fluent file manager for Windows — tabbed browsing, column & grid layouts, cloud drive integration and a polished UI that replaces Explorer.
MeshCentral
A self-hosted remote desktop and device management platform — take control of Windows, Linux and macOS computers, with file transfer, terminal and monitoring.
Restic
A fast, secure backup program — deduplicated, encrypted snapshots to local disks, S3, Backblaze, SFTP and more, with easy pruning and verification.
Raspberry Pi Imager
A free OS image writer — flash Raspberry Pi OS or any other OS image to SD cards and USB drives in a few clicks, with verification built in.
Naabu
A fast, reliable port scanner — discover open TCP ports on hosts and networks, with configurable rate, service detection and JSON output for automation.
osquery
Query your operating system like a database — inspect processes, listening ports, users, packages and hardware across endpoints with SQL for security monitoring.
OWASP ZAP
The free web app security scanner — spider your site, intercept requests and find XSS, SQLi and other vulnerabilities before attackers do.
mitmproxy
An interactive HTTPS proxy — inspect, record and modify REST/gRPC/WebSocket traffic between your apps and servers, in terminal and web UIs.
Hashcat
The world's fastest password recovery tool — GPU-accelerated brute-force and dictionary attacks over 300 hash types, for auditing your own passwords.
gocryptfs
An encrypted overlay filesystem — mount a fully encrypted directory in the cloud or locally, so all files are transparently encrypted before sync.
age
A simple, modern file encryption tool — encrypt files with a passphrase or public key in one command; tiny, auditable and built on modern crypto.
ungoogled-chromium
A privacy-focused Chromium build — removes Google integration, telemetry and domain restrictions, so you get a fast, independent browser with no tracking.
Tailscale
A zero-config mesh VPN built on WireGuard — connect your laptop, phone, servers and NAS into one private network automatically, no port forwarding.
Minisign
A simple, modern tool to sign and verify files — create a small public/private key pair, sign binaries or releases, and let users verify authenticity with one command.
LibreChat
A self-hosted ChatGPT-style interface connecting OpenAI, Anthropic, local Ollama models and more — multi-user, with agents, RAG and code interpretation.
Onyx
An open-source AI search and chat platform — connect your documents, Slack and databases to LLMs, with a self-hostable web UI and connectors for popular tools.
mistral.rs
Blazingly fast LLM inference engine written in Rust — run Llama, Mistral, Qwen and GGUF models on CPU, CUDA, Metal and WebGPU with an OpenAI-compatible API.
AnythingLLM
A desktop RAG application — chat with your own documents, PDFs and websites using local or cloud LLMs, with workspaces and shared bots.
OpenHands
An autonomous AI software developer — give it a task in natural language and it writes code, runs tests, browses the web and opens pull requests in a Docker sandbox.
Buzz
A desktop GUI for OpenAI Whisper — transcribe audio and video files in 100+ languages, with speaker diarization, translation and SRT/VTT export, locally.
Whisper.cpp
A fast, lightweight C/C++ port of OpenAI Whisper — run speech-to-text on CPU or GPU, with official Windows builds and bindings for many languages.
Piper TTS
A fast, local neural text-to-speech system — generate natural-sounding voices in many languages offline, on anything from a Raspberry Pi to a laptop.
Argos Translate
Open-source offline machine translation — download language packages and translate text locally with no API keys, no cloud, and a Python library plus desktop app.
NextChat
A lightweight, cross-platform ChatGPT-style web app — plug in your own OpenAI, Claude or local Ollama API key and chat on desktop, mobile or self-hosted, with markdown, plugins and artifacts.