• Raspberry Pi icon
  • Libreboot icon
  • GrapheneOS icon
  • Debian icon
  • Arch Linux icon
  • +93

Best open source apps

IdentityTheftIdentityTheft98 appsUpdated
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Hardware

  1. A low-cost, capable little PC which can be used for many of the things that your desktop PC does, like games, spreadsheets and word-processing. It also plays high-definition video. We want to see it being used by children and young people all over the world to learn programming.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Linux
    Raspberry Pi screenshot 1
    Raspberry Pi screenshot 1

Bios

  1. Libreboot icon
     Like

    Libreboot is a free software project based on coreboot icon coreboot, aimed at replacing the proprietary BIOS firmware contained by most computers. Libreboot is a lightweight system designed to perform only the minimum number of tasks necessary to load and...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    Libreboot screenshot 1
    Libreboot screenshot 1
    Libreboot screenshot 2

Operating systems

  1. GrapheneOS is a privacy and security focused mobile OS with Android app compatibility developed as a non-profit open source project. It's focused on the research and development of privacy and security technology including substantial improvements to sandboxing, exploit...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    GrapheneOS screenshot 1
    GrapheneOS screenshot 1
    GrapheneOS screenshot 2
  2. Debian icon
     Like

    The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    • BSD
    • Self-Hosted
    Debian 9 gnome.
    Debian screenshot 1
    Debian screenshot 2
    +2
    Debian screenshot 3
  3. Arch Linux is an independently developed, x86_64 optimized GNU/Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest software applications with full dependency tracking.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    arch with KDE 4.4 desktop
    another arch with KDE 4.3 desktop
    arch for console addict
    +1
    arch with openbox window manager
  4. Tails icon
     Like

    Tails is a Debian based live CD/USB with the goal of providing complete Internet anonymity for the user.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Tor Browser
    • GNOME
    • Tor
    • Thunderbird
    Tails screenshot 1
    Tails screenshot 1
  5. Qubes OS icon
     Like

    Qubes is an open source operating system designed to provide strong security for desktop computing.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Fedora
    • Xen
    Qubes OS screenshot 1
    Qubes OS screenshot 1
    Qubes OS screenshot 2
    +9
    Qubes OS screenshot 3
  6. OpenWrt icon
     Like

    OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    OpenWrt screenshot 1
    OpenWrt screenshot 1
    OpenWrt screenshot 2
    +6
    OpenWrt screenshot 3
  7. ImmortalWrt is a Linux-based embedded operating system for network devices such as routers and access points. It is a fork of OpenWrt. ImmortalWrt includes additional packages, expanded device support, and optimized default profiles.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    Login LuCI. Which is ImmortalWrt GUI.
    System Software
    CPU Freq Settings
    +3
    Command Line Interface (CLI)

Security apps

  1. WireGuard icon
     Like

    WireGuard® is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPsec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • BSD
    • iPad
    • Self-Hosted
    • openSUSE
    • Arch Linux
    • Gentoo
    • Fedora
    • Ubuntu
    • Debian
    • FreeBSD
    • OpenWrt
    • Alpine Linux
    • Slackware
    • Termux
    • OpenBSD
    WireGuard screenshot 1
    WireGuard screenshot 1
    WireGuard screenshot 2
    +6
    WireGuard screenshot 3
  2. Headscale icon
     Like

    An open source, self-hosted implementation of the Tailscale icon Tailscale control server. HeadScale-ui is a complementary project to have a Web UI for this.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Self-Hosted
    • Fedora
    • Nix Package Manager
    • Docker
    • Docker Hub
    • OpenBSD
    • Cloudron
  3. NetBird icon
     Like

    NetBird is an open-source Zero Trust networking platform that makes it easy for engineers to create fast, secure, and private networks with simple, decentralized management.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Android TV
    • Raspberry Pi
    • Homebrew
    • Docker
    • Docker Hub
    • Obtainium
    List of connected machines (peers)
    Network access control
    Desktop UI client
    +1
    Machine authentication flow
  4. Bitwarden icon
     Like

    Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • OpenAPK
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Docker
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • AppImage
    • Mozilla Firefox
    Bitwarden screenshot 1
    Bitwarden screenshot 1
    Bitwarden screenshot 2
    +11
    Bitwarden screenshot 3
  5. LUKS icon
     Like

    LUKS is the standard for Linux hard disk encryption. By providing a standard on-disk-format, it does not only facilitate compatibility among distributions, but also provides secure management of multiple user passwords.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    LUKS screenshot 1
  6. VeraCrypt icon
     Like

    Secure and encrypt entire partitions or devices, including system drives, with automated, real-time protection and enhanced security measures.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • Homebrew
    • Chocolatey
    Langage
    VeraCrypt screenshot 1
    Encrypted volume wizard. Step 1.
    +8
    Encrypted volume wizard. Step 3.
  7. Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    • OpenAPK
    Aegis Authenticator screenshot 1
    Aegis Authenticator screenshot 2
    Aegis Authenticator screenshot 3
  8. Verify apps easily.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Android
  9. Firewall for Linux providing interactive outbound filtering, blocking ads and malware domains, configurable via GUI, with centralized node management.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    OpenSnitch screenshot 1
  10. Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Main Window
    Right Click on an Application
    Setting - General
    +2
    Setting - Rules

App stores

  1. Obtainium icon
     Like

    Obtainium allows you to install and update apps directly from their releases pages, and receive notifications when new releases are made available.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • Obtainium
    • F-Droid
    • Android TV
    • OpenAPK
    Dark Theme
    Material You Design
    Apps List
  2. F-Droid icon
     Like

    Discover and install FOSS Android apps with ease. Privacy-focused, ad-free, and no registration required, F-Droid offers a lightweight alternative.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Android
    • Android Tablet
    • F-Droid
    F-Droid screenshot 1
    F-Droid screenshot 2
    F-Droid screenshot 3
  3. The GrapheneOS App Store is the official application repository for the GrapheneOS mobile operating system, a privacy and security-focused Android-based OS. This app store is designed to complement GrapheneOS's core principles of enhanced user privacy, robust security, and...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
  4. Aurora Store enables you to search and download apps from the official Google Play store. You can check app descriptions, screenshots, updates, reviews, and download the APK directly from Google Play to your device.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • HUAWEI AppGallery
    • F-Droid
    • OpenAPK
    Aurora Store screenshot 1
    Aurora Store screenshot 2
    Aurora Store screenshot 3

For Servers/NAS

  1. Proxmox Virtual Environment is a complete and easy to use Open Source virtualization platform for running Virtual Appliances and Virtual Machines. Proxmox VE tightly integrates KVM hypervisor and LXC containers, software-defined storage and networking functionality on a single...

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Linux
    • Debian
    • Android
    • Android Tablet
    Proxmox VE 9.1 - Node Summary
    Proxmox Virtual Environment 8.2 - Cluster summary
    Proxmox VE 9.0 - New Node Metrics
    +3
    Proxmox Virtual Environment 8.1 - VMware ESXi Guest import add storage
  2. Open-source and privacy-first home automation with an emphasis on local control and backed by a worldwide community. Runs on Raspberry Pi or local server.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    • Apple Watch
    • Android Auto
    • Android Wear
    • Python
    • F-Droid
    • OpenAPK
    • Raspberry Pi
    • Cloudron
    • Kodi
    • Apple Car Play
    Home Assistant screenshot 1
  3. Turn your Home Assistant instance into a jukebox, hassle free streaming of your favorite media to Home Assistant media players.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
    • Windows
    • Mac
    • Linux
    Music Assistant screenshot 1
    Music Assistant screenshot 1
  4. Funkwhale icon
     Like

    Open-source, self-hosted streaming platform supports Android, iOS, podcasts, uploads, sharing, no ads or tracking, federated across decentralized instances.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Self-Hosted
    • Cloudron
    • Kodi
    Album view
    Artist View
    You can create "radios" to stream content based on your tastes
    +2
    Home Page
  5. Navidrome icon
     Like

    Open source self-hosted streamer with Subsonic API compatibility, low resource usage, multi-user support, remote access, and broad audio format streaming.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Raspberry Pi
    • Cloudron
    Navidrome screenshot 1
    Navidrome screenshot 1
    Navidrome screenshot 2
    +1
    Navidrome screenshot 3
  6. Pi-hole icon
     Like

    The Pi-hole® is a DNS sinkhole that protects your devices from unwanted content without installing any client-side software.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Self-Hosted
    • CentOS
    • Fedora
    • Ubuntu
    • Debian
    • Raspberry Pi OS
    • Raspberry Pi
    The Web interface shows how many ads were blocked, a query log, and more.
    Domains can be whitelisted and blacklisted using either the web interface or the command line.
    The settings page lets you control and configure your Pi-hole.
    +2
    Pi-hole screenshot 3
  7. Nextcloud icon
     Like

    On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Self-Hosted
    • Snapcraft
    • Flathub
    • F-Droid
    • OpenAPK
    • Raspberry Pi
    • Cloudron
    • Docker Hub
    Nextcloud screenshot 1
    Nextcloud screenshot 1
    Simple and powerful file sync & share
    +5
    Simple upload even for people who don’t have Nextcloud
  8. Syncthing icon
     Like

    Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Terminal
    • Cloudron
    • Termux
    Syncthing screenshot 1
  9. openmediavault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. It can be enhanced via plugins.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Self-Hosted
    openmediavault screenshot 1
    openmediavault screenshot 1
    openmediavault screenshot 2
    +1
    openmediavault screenshot 3

USB booting tools

  1. Ventoy icon
     Like

    Ventoy is an open source tool to create bootable USB drive for ISO files. With ventoy, you don't need to format the disk again and again, you just need to copy the iso file to the USB drive and boot it.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    Ventoy screenshot 1
  2. Free, user-friendly disk cloning and imaging software, boots from USB for Windows, Mac, and Linux. Supports Clonezilla backups and virtual machine images.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    Rescuezilla screenshot 1
    Rescuezilla screenshot 1
    Rescuezilla screenshot 2
    +6
    Rescuezilla screenshot 3

Online collaboration tools

  1. CryptPad icon
     Like

    CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Software as a Service (SaaS)
    • Self-Hosted
    • Cloudron
    Instance homepage
    Markdown slides app
    Code/Markdown app
    +7
    Whiteboard app

Messaging

  1. Molly icon
     Like

    Molly is a hardened version of Signal icon Signal for Android, the fast simple yet secure messaging app by Signal Foundation.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    • Obtainium
    • OpenAPK
    Molly screenshot 1
  2. Signal icon
     Like

    An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Snapcraft
    • Android Auto
    • Flathub
    • F-Droid
    • Ubuntu
    • Debian
    • OpenAPK
    Signal screenshot 1
    Signal screenshot 1
    Signal screenshot 2
    +6
    Signal screenshot 3
  3. Element icon
     Like

    A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.

    Cost / License

    • Free Personal
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Snapcraft
    • Matrix.org
    • Flathub
    • F-Droid
    • OpenAPK
    • Cloudron
    Element screenshot 1
    Element screenshot 1
    Video calls for desktop and mobile
    +3
    Collaboration widgets
  4. Columba is a simple messaging and voice app for the Reticulum network on Android. Send LXMF messages and make LXST voice calls without relying on the internet, cell towers, or any central servers.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    Columba Messenger screenshot 1
    Columba Messenger screenshot 2
    Columba Messenger screenshot 3
  5. bitchat icon
     Like

    Decentralized peer-to-peer messaging app offering secure Bluetooth mesh communication, end-to-end encryption, channel-based chats, and privacy-first design.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Android
    • iPhone
    • iPad
    • OpenAPK
    bitchat screenshot 1
    bitchat screenshot 2
    bitchat screenshot 3
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