133 hand-reviewed tools · 100% free & legal

Free software that replaces expensive subscriptions

Here to buy software online? Start with the $0 version — you might not need to pay at all.

A curated directory of free and open-source software for Windows, macOS, Linux, mobile and self-hosting. Every listing links to the official download — no trials, no adware, no gotchas.

16 categoriesreplaces paid software in every caseofficial download links only

Showing 133 of 133 tools

7-Zip

Pick

The archive utility every PC needs

Replaces: WinRAR / WinZip (paid)

Files, Disks & SyncLGPL-2.1 / BSD

Anki

Pick

Spaced-repetition learning that sticks

Replaces: Quizlet Plus (paid)

Education & ScienceAGPL-3.0

Audacity

Pick

The classic audio editor and recorder

Replaces: Adobe Audition (paid subscription)

Audio & MusicGPL-2.0+

Bitwarden

Pick

Password manager that is open source

Replaces: 1Password / LastPass (paid)

Security & PrivacyGPL-3.0

Blender

Pick

Full 3D creation suite, completely free

Replaces: Autodesk Maya / 3ds Max (paid)

3D, CAD & PrintingGPL-3.0+

darktable

Pick

Non-destructive RAW photo workflow

Replaces: Adobe Lightroom (paid subscription)

Graphics & PhotoGPL-3.0

FreeCAD

Pick

Parametric 3D CAD for engineering

Replaces: AutoCAD / SolidWorks (paid)

3D, CAD & PrintingLGPL-2.1+

GIMP

Pick

The legendary free Photoshop alternative

Replaces: Adobe Photoshop (paid subscription)

Graphics & PhotoGPL-3.0

Immich

Pick

Self-hosted Google Photos replacement

Replaces: Google Photos (paid storage)

Media Players & ServersAGPL-3.0

Inkscape

Pick

Vector design without Illustrator prices

Replaces: Adobe Illustrator (paid subscription)

Graphics & PhotoGPL-3.0

Jellyfin

Pick

Your own Netflix, with no fees

Replaces: Plex Pass / Emby Premiere (paid)

Media Players & ServersGPL-3.0

Krita

Pick

Digital painting studio for artists

Replaces: Procreate / Corel Painter (paid)

Graphics & PhotoGPL-3.0

LibreOffice

Pick

The free Microsoft Office replacement

Replaces: Microsoft 365 / Word & Excel

Office & ProductivityMPL-2.0

Nextcloud

Pick

Self-hosted Google Workspace alternative

Replaces: Dropbox / Google Workspace

Files, Disks & SyncAGPL-3.0

Notepad++

Pick

Notepad on steroids, free forever

Replaces: UltraEdit (paid)

System & UtilitiesGPL

OBS Studio

Pick

Streaming and screen recording standard

Replaces: Camtasia / Wirecast (paid)

Video & AnimationGPL-2.0

Ollama

Pick

Run large language models locally

Replaces: Cloud AI subscriptions / API costs

AI & Local LLMsMIT

Paperless-ngx

Pick

Home document management system

Replaces: FileCenter / paid DMS software

PDF & Note-TakingGPL-3.0+

Pi-hole

Pick

Network-wide ad blocking, free forever

Replaces: Paid DNS filtering services

Networking & Ad-BlockingEUPL-1.2

Rufus

Pick

Create bootable USB drives in seconds

Replaces: Paid bootable-USB tools

System & UtilitiesGPL-3.0

Thunderbird

Pick

Open-source email, calendar and chat

Replaces: Microsoft Outlook

Office & ProductivityMPL-2.0

Visual Studio Code

Pick

The world's most popular code editor

Replaces: Sublime Text / JetBrains IDEs (paid)

Development & CodeMIT (source) / freeware binaries

VLC Media Player

Pick

Plays everything, everywhere

Replaces: PowerDVD and other paid players

Media Players & ServersGPL-2.0+

WordPress

Pick

The CMS that powers the web

Replaces: Wix / Squarespace (paid plans)

Web, CMS & Self-HostingGPL-2.0+

Matomo

Pick

Google Analytics without data sharing

Replaces: Google Analytics 360 (expensive)

Web, CMS & Self-HostingGPL-3.0+

OPNsense

Pick

Firewall OS used by enterprises

Replaces: pfSense Plus / Fortinet firewalls (paid)

Networking & Ad-BlockingBSD-2-Clause

SageMath

Pick

Open-source Mathematica alternative

Replaces: Mathematica / MATLAB (very expensive)

Education & ScienceGPL-3.0+

Scribus

Pick

Desktop publishing like InDesign

Replaces: Adobe InDesign (paid subscription)

Graphics & PhotoGPL-2.0+

Stirling-PDF

Pick

Self-hosted PDF toolbox (50+ tools)

Replaces: Smallpdf Pro / Adobe online (paid)

PDF & Note-TakingMIT

AdGuard Home

Ad blocking DNS with parental controls

Replaces: AdGuard subscription (paid)

Networking & Ad-BlockingGPL-3.0

Audiobookshelf

Audiobook and podcast server

Replaces: Audible (for your own files)

Media Players & ServersAGPL-3.0

AutoHotkey

Automate anything on Windows

Replaces: Paid automation tools (PhraseExpress)

System & UtilitiesGPL

Calibre

The one-stop ebook manager

Replaces: Paid ebook managers / DRM-free library apps

Office & ProductivityGPL-3.0

Clonezilla

Bare-metal disk imaging and cloning

Replaces: Acronis True Image (paid)

Backup & RecoveryGPL-2.0+

ComfyUI

Node-based AI image generation

Replaces: Midjourney / DALL-E subscriptions

AI & Local LLMsGPL-3.0

DBeaver Community

Universal database GUI for free

Replaces: Navicat / Toad (paid)

Development & CodeApache-2.0

Discourse

Modern forum and community software

Replaces: XenForo / Circle (paid)

Web, CMS & Self-HostingGPL-2.0+

FileZilla

The FTP client everyone knows

Replaces: Paid FTP suites

Files, Disks & SyncGPL-2.0+

FreeFileSync

Mirror and sync folders in real time

Replaces: GoodSync (paid)

Files, Disks & SyncSource-available (custom)

GeoGebra

Interactive math for all levels

Replaces: Paid math software

Education & ScienceFree (non-commercial license)

Ghost

Publishing platform for newsletters

Replaces: Substack (10% revenue fee)

Web, CMS & Self-HostingMIT

Git

The version control system of the world

Replaces: Paid version control (Perforce)

Development & CodeGPL-2.0

GParted

Graphical partition editor

Replaces: EaseUS Partition Master (paid)

System & UtilitiesGPL-2.0+

HandBrake

The video transcoder everyone trusts

Replaces: Wondershare and other paid converters

Video & AnimationGPL-2.0

Joplin

Evernote alternative with end-to-end encryption

Replaces: Evernote / Notion

Office & ProductivityAGPL-3.0

Kdenlive

MLT-powered video editing for everyone

Replaces: Adobe Premiere Pro (paid subscription)

Video & AnimationGPL-3.0

KeePassXC

Offline password manager, no cloud needed

Replaces: 1Password / Dashlane (paid)

Security & PrivacyGPL-3.0

Kodi

The home theater hub

Replaces: Paid media-center apps

Media Players & ServersGPL-2.0+

Logseq

Outliner notebook with local Markdown files

Replaces: Roam Research (paid subscription)

Office & ProductivityAGPL-3.0

Microsoft PowerToys

Official Windows power-user suite

Replaces: Paid Windows utility suites

System & UtilitiesMIT

MuseScore

Free notation software for musicians

Replaces: Sibelius / Finale (paid)

Audio & MusicGPL

Neovim

Vim rebuilt for the modern era

Replaces: Paid IDEs

Development & CodeApache-2.0 / Vim

Nginx

The web server behind half the internet

Replaces: Commercial load balancers

Web, CMS & Self-HostingBSD-2-Clause

Okular

PDF reader with annotation superpowers

Replaces: Adobe Acrobat Pro (paid)

PDF & Note-TakingGPL-2.0+

ONLYOFFICE

Office suite with the best .docx fidelity

Replaces: Microsoft 365 / Google Workspace

Office & ProductivityAGPL-3.0

Open WebUI

ChatGPT-style UI for local models

Replaces: ChatGPT Plus (paid)

AI & Local LLMsOpen WebUI License (source-available)

OpenAI Whisper

Open-source speech recognition

Replaces: Rev / paid transcription services

AI & Local LLMsMIT

qBittorrent

Clean, no-ads torrent client

Replaces: uTorrent Pro (paid)

Files, Disks & SyncGPL-2.0+

ShareX

Screenshot and screen-recording beast

Replaces: Snagit (paid)

System & UtilitiesGPL-3.0

Signal

Private messaging, end-to-end by default

Replaces: Closed-source messengers

Security & PrivacyAGPL-3.0

Stable Diffusion WebUI (A1111)

The classic local image-generation suite

Replaces: Midjourney subscription

AI & Local LLMsAGPL-3.0

Stellarium

Planetarium on your desktop

Replaces: Starry Night (paid)

Education & ScienceGPL-2.0+

Syncthing

Peer-to-peer folder sync, no cloud

Replaces: Dropbox / Resilio Sync

Files, Disks & SyncMPL-2.0

TestDisk & PhotoRec

Recover lost partitions and files

Replaces: Disk Drill / EaseUS Data Recovery (paid)

Backup & RecoveryGPL-2.0+

UltiMaker Cura

The world's most-used slicer

Replaces: Paid slicers (Simplify3D)

3D, CAD & PrintingLGPL-3.0

Uptime Kuma

Self-hosted uptime monitoring

Replaces: Pingdom / StatusCake (paid)

Web, CMS & Self-HostingMIT

Ventoy

One USB drive, every ISO at once

Replaces: Paid multi-boot tools

System & UtilitiesGPL-3.0+

VeraCrypt

Full-disk and container encryption

Replaces: Paid encryption suites

Security & PrivacyApache-2.0 / TrueCrypt

Vim

Modal editing since 1991

Replaces: Paid editors

Development & CodeVim License

WireGuard

Fast, modern VPN tunnel protocol

Replaces: Paid VPN solutions

Networking & Ad-BlockingGPL-2.0

Zotero

Free reference manager for researchers

Replaces: EndNote (paid)

Office & ProductivityAGPL-3.0

Avidemux

Simple cut, filter and encode tasks

Replaces: Paid quick-edit tools

Video & AnimationGPL

balenaEtcher

Flash OS images the easy way

Replaces: Paid imaging tools

System & UtilitiesApache-2.0

BorgBackup

Deduplicating backup with compression

Replaces: Paid backup software

Backup & RecoveryBSD-3-Clause

Caddy

Web server with automatic HTTPS

Replaces: Paid HTTPS/load-balancer appliances

Web, CMS & Self-HostingApache-2.0

Celestia

Real-time 3D space simulation

Replaces: Paid astronomy simulators

Education & ScienceGPL-2.0+

CherryTree

Hierarchical note-taking with rich formatting

Replaces: OneNote (closed source)

Office & ProductivityGPL-3.0

ClamAV

Open-source antivirus engine

Replaces: Paid AV suites for servers

Security & PrivacyGPL-2.0

Cryptomator

Encrypt files before they hit the cloud

Replaces: Boxcryptor (paid, now discontinued)

Security & PrivacyGPL-3.0

CrystalDiskInfo

Monitor drive health and SMART data

Replaces: Paid SMART monitoring tools

System & UtilitiesMIT

Cyberduck

Connect to S3, FTP, SFTP and more

Replaces: Transmit (paid)

Files, Disks & SyncGPL-2.0+

digiKam

Professional photo library management

Replaces: Adobe Lightroom Classic / ACDSee (paid)

Graphics & PhotoGPL-2.0+

Ditto

Clipboard history manager

Replaces: Paid clipboard managers

System & UtilitiesGPL

Double Commander

Dual-pane file manager for power users

Replaces: Total Commander (paid)

Files, Disks & SyncGPL-2.0

Duplicati

Encrypted backups to any cloud

Replaces: Acronis (paid)

Backup & RecoveryLGPL-2.1

Etherpad

Self-hosted real-time collaborative docs

Replaces: Google Docs (cloud-dependent)

Office & ProductivityApache-2.0

FFmpeg

The engine of the media world

Replaces: Paid media encoders and converters

Video & AnimationLGPL-2.1+/GPL

FreshRSS

Self-hosted RSS reader for everyone

Replaces: Feedly Pro (paid)

Web, CMS & Self-HostingAGPL-3.0

GCompris

Educational games for ages 2–10

Replaces: Paid kids' learning apps

Education & ScienceGPL-3.0+

Gitea

Painless self-hosted Git service

Replaces: GitLab Premium (paid)

Web, CMS & Self-HostingMIT

GitHub Desktop

Git without the command line

Replaces: Paid Git GUIs (GitKraken Pro)

Development & CodeMIT

GPT4All

Local chatbot for everyday hardware

Replaces: ChatGPT Plus (paid)

AI & Local LLMsMIT

Greenshot

Simple, fast screenshot tool

Replaces: Snagit / paid capture tools

System & UtilitiesGPL-3.0

HeidiSQL

Lightweight MySQL/MariaDB admin tool

Replaces: Paid SQL clients

Development & CodeGPL-2.0

ImageMagick

Command-line image processing powerhouse

Replaces: Paid batch image processors

Graphics & PhotoImageMagick License

Jan

Offline ChatGPT alternative

Replaces: ChatGPT (cloud-dependent)

AI & Local LLMsAGPL-3.0

KeePass

The original encrypted password safe

Replaces: Paid password managers

Security & PrivacyGPL-2.0+

Kopia

Backups with client-side encryption

Replaces: Paid backup platforms

Backup & RecoveryApache-2.0

LibreCAD

2D CAD drawings made simple

Replaces: AutoCAD (paid)

3D, CAD & PrintingGPL-2.0+

LMMS

Free DAW for electronic music production

Replaces: FL Studio (paid)

Audio & MusicGPL-2.0+

LosslessCut

Cut video without re-encoding

Replaces: Paid lossless video cutters

Video & AnimationGPL-2.0

Mixxx

DJ software that costs nothing

Replaces: Serato DJ Pro / Traktor Pro (paid)

Audio & MusicGPL-2.0+

mpv

Minimal player with maximal quality

Replaces: Paid players

Media Players & ServersGPL-2.0+/LGPL

MusicBrainz Picard

Tag your music library perfectly

Replaces: Paid tag editors

Audio & MusicGPL-2.0

MyPaint

Fast sketching and painting canvas

Replaces: Corel Painter (paid)

Graphics & PhotoGPL-2.0+

Natron

Node-based compositing like Nuke

Replaces: The Foundry Nuke (very expensive)

Video & AnimationGPL

Navidrome

Self-hosted Spotify for your library

Replaces: Spotify (for your own files)

Media Players & ServersGPL-3.0

OpenSCAD

CAD through code

Replaces: Paid parametric CAD tools

3D, CAD & PrintingGPL-2.0+

OpenShot

The easy video editor for beginners

Replaces: Paid beginner editors

Video & AnimationGPL-3.0

PDF Arranger

Merge, split and reorder PDFs

Replaces: Paid PDF splitter/merger apps

PDF & Note-TakingGPL-3.0

PeaZip

Archive manager with 200+ formats

Replaces: WinZip (paid)

Files, Disks & SyncLGPL-3.0

Pencil2D

Traditional 2D animation, simplified

Replaces: Adobe Animate / Toon Boom (paid)

Video & AnimationGPL-2.0

PhotoPrism

AI-powered photo management server

Replaces: Google Photos / paid photo servers

Media Players & ServersAGPL-3.0

Plausible Analytics

Lightweight, cookie-free analytics

Replaces: Google Analytics / Mixpanel

Web, CMS & Self-HostingAGPL-3.0

PrusaSlicer

Advanced 3D-printing slicer

Replaces: Simplify3D (paid)

3D, CAD & PrintingAGPL-3.0

RawTherapee

Deep RAW processing engine

Replaces: Capture One (paid)

Graphics & PhotoGPL-3.0

Rclone

Swiss-army knife for 70+ cloud storages

Replaces: Paid cloud migration tools

Files, Disks & SyncMIT

Restic

Fast, secure, deduplicated backups

Replaces: Paid backup services

Backup & RecoveryBSD-2-Clause

Shotcut

Free cross-platform video editor

Replaces: Filmora / Premiere Elements (paid)

Video & AnimationGPL-3.0

Standard Notes

Encrypted notes with no nonsense

Replaces: Evernote / Notion

Office & ProductivityAGPL-3.0

Strawberry

Music player and collection organizer

Replaces: Paid music players

Audio & MusicGPL-3.0

SumatraPDF

The lightest PDF reader for Windows

Replaces: Paid PDF readers

PDF & Note-TakingGPL-3.0

Tailscale

Zero-config VPN built on WireGuard

Replaces: Traditional paid VPN setups

Networking & Ad-BlockingBSD-3-Clause (client)

Timeshift

System restore snapshots for Linux

Replaces: Paid restore tools

Backup & RecoveryGPL-3.0

Tux Paint

Drawing program for children

Replaces: Paid kids' drawing apps

Education & ScienceGPL-2.0+

Umami

Simple, privacy-first web analytics

Replaces: Google Analytics

Web, CMS & Self-HostingMIT

VSCodium

Fully open-source VS Code builds

Replaces: Paid editors

Development & CodeMIT

WinDirStat

See what is eating your disk space

Replaces: TreeSize Pro (paid)

System & UtilitiesGPL

WinSCP

Windows SFTP, FTP and SCP client

Replaces: Paid SSH/SFTP clients

Files, Disks & SyncGPL-3.0

Xournal++

Handwrite and annotate PDFs with a stylus

Replaces: Paid annotation apps

PDF & Note-TakingGPL-2.0+

Zed

High-performance collaborative code editor

Replaces: Paid editors

Development & CodeGPL-3.0

ZeroTier

Software-defined networks between devices

Replaces: Paid SD-WAN products

Networking & Ad-BlockingBSL-1.1 (source-available)

Zettlr

Markdown editor built for academic writing

Replaces: Scrivener (paid)

Office & ProductivityGPL-3.0