a (computer and mobile) alternative to Big OSes (a open-source and somewhat newbie-friendly kernel depending on what distro (or subdistro or even flavor) you choose. Test out different Distros by going to https://distrosea.com/ , by Virtual Machine or using a bootable USB (you can create a Multiboot USB using this site; https://pendrivelinux.com/yumi-multiboot-usb-creator/#yumi-exfat-bios-and-uefi-usb-boot to test out distros without applying the distro) to boot into your desired Distro.
An independent, private, lightweight, beautifully customizable browser, built by a passionate indie maker.
Cost / License
- Freemium
- Proprietary
Platforms
- iPhone
- iPad



Searx is a free internet metasearch engine which aggregates results from more than 70 search services. Users are neither tracked nor profiled. Additionally, searx can be used over Tor for online anonymity.
Cost / License
- Free
- Open Source
Application types
Platforms
- Linux
- Online
- Self-Hosted


+2
This is an independent DIY search engine that focuses on non-commercial content, and attempts to show you sites you perhaps weren't aware of in favor of the sort of sites you probably already knew existed.



Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone


+1
Live images of Earth, updated every 10 minutes with GOES and Himawari-8, and every 15 minutes with Meteosat. Zoom to Satelite Map view with Street names. Rain and Weather view.

Strflow adopts a chat-style timeline format for incredibly simple and beautiful note-taking. Experience the simplicity of note-taking in a texting-yourself style.


+3
Free multi-platform software for task management, time tracking, and personal project management. Seamless integration with Jira, GitHub, and GitLab.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- Android Tablet
- Snapcraft
- Flathub
- F-Droid
- Flatpak


+3
Ethical Mail is an email provider not-for-profit organisation + we offer all the best bits of email communication, but without intrusive ads + take sustainability seriously and limit our impact on the environment by using green power + carbon neutral servers.
Secure, private email with end-to-end encryption, no ads, tracking, or government surveillance, ensuring top-notch privacy under Belgium law.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad


+2
End-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Flathub
- F-Droid


+1
Organize events with encrypted privacy, zero-knowledge and no tracking. Features include multi-device sync, multiple views, and offline support.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- F-Droid


+4
an alternative to Craptendo’s servers for 3ds + Wii U (after the servers went down). Also Craptendo is friends with Google now.
Cost / License
- Free
- Open Source
Platforms
- Online
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 types
Platforms
- Software as a Service (SaaS)
- Self-Hosted
- Cloudron


+7
Leading online translator with neural networks capturing subtle nuances, blind-tested to outperform competitors 3:1. Secure data compliance with EU laws.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad
- ONLYOFFICE


+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...



OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them. It is a free editable map of the whole world. It is made by people like you.



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 types
Platforms
- Online
- Android
- Android Tablet
- F-Droid



PeerTube is a free, decentralized and federated video platform developed as an alternative to other platforms that centralize our data and attention, such as YouTube, Dailymotion or Vimeo. But one organization hosting PeerTube alone may not have enough money to pay for bandwidth...
Cost / License
- Free
- Open Source
Application types
Platforms
- Online
- Android
- iPhone
- Self-Hosted
- F-Droid
- Cloudron


+2


+5
An open-source, ad-free front-end to YouTube offering video downloads, audio-only mode, and subscription management without JS or registration.
Cost / License
- Free
- Open Source
Application types
Platforms
- Online
- Self-Hosted
- Cloudron



Ad-free frontend for YouTube supporting channel subscriptions, playlist import/export, dark mode, SponsorBlock, and privacy features without Google connection.
Cost / License
- Free
- Open Source
Application types
Platforms
- Online
- Self-Hosted


+1






















Comments
Great list, I've discover a few interesting app, you may wanna check my list of iOS Open Source apps : https://alternativeto.net/lists/34092/beautiful-open-source-apps-for-ios-nice-and-modern-ui-ux-/