Free Open-Source, Cross-Platform Privacy Tools Starter Pack
Spell & Grammar Checker
LanguageTool is a free proofreading software compatible with multiple applications like LibreOffice, Microsoft Word, Firefox, and Google Chrome. It supports around 20 languages and can be customized. It has two versions: free and premium.
- Grammar Checker
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- iPhone
- iPad
- Microsoft Edge
- Google Chrome
- Microsoft Office Outlook
- Safari
- Visual Studio Code
- Microsoft Word
- Eclipse
- TinyMCE
- TeXstudio
- Google Docs
- Thunderbird
- Vim
- OmegaT
- Sublime Text
- GNU Emacs
- Opera
- Gmail
- Fidus Writer
- LyX
- LibreOffice
- Apache OpenOffice
- Mozilla Firefox
- LibreOffice - Writer
- ONLYOFFICE
Office Suite
ONLYOFFICE is an open-source, online office suite that includes editors for documents, spreadsheets, presentations, and forms. It supports all common formats and MS Office files.
- Word Processor
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- AppImageHub
- Snapcraft
- Flathub
- Software as a Service (SaaS)
- Flatpak
- Cloudron
LibreOffice is a powerful office suite – its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.
- Office Suite
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- BSD
- Flathub
- PortableApps.com
AI Chat
Hugging Face is now using these servers for its first potentially massive project: HuggingChat is intended to be the first true open-source alternative to OpenAI’s ChatGPT.
- AI Chatbot
- Free • Open Source
- Online
- iPhone
- iPad
Calender
Your calendar is a record of your life. Proton Calendar helps keep it private.
- Calendar App
- Freemium • Proprietary
- Online
- Android
- iPhone
- Android Tablet
- Tor
Photo Storage
End-to-end encrypted alternative to Google Photos / iCloud Photos, that makes it easy to backup and share photos and videos.
- Photo Manager
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- F-Droid
Instant Messaging
Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.
- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
Web Search
MetaGer is an open source metasearch engine focused on protecting users' privacy. Based in Germany, and hosted as a cooperation between the German NGO 'SUMA-EV - Association for Free Access to Knowledge' and the University of Hannover, the system is built on 24...
- Web Search Engine
- Paid • Open Source
- Online
- Android
- F-Droid
- Tor
Cloud Storage
Proton Drive is an end-to-end encrypted Swiss vault for your files, ensuring that nobody except those authorized by you can access your data.
- Cloud Storage Service
- Freemium • Open Source
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Tor
A safe home for all your data – Access & share your files, calendars, contacts, mail & more from any device, on your terms.
- Cloud Storage Service
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- F-Droid
- Cloudron
E-Mail providers
Tuta is an all-in-one email, calendar and contacts app which protects your data with full end-to-end encryption and it requires zero personal information. Tuta is built with open source software so you can inspect every piece of code running on your devices so you can be sure...
- WebMail Provider
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Self-Hosted
- Flathub
- F-Droid
Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.
- WebMail Provider
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Tor
Browser
A free and open source web browser descended from the Mozilla Application Suite. Firefox is highly extensible, with thousands of third-party add-ons available.
- Web Browser
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- BSD
- iPad
- AppImageHub
- Snapcraft
- Flathub
- PortableApps.com
- Haiku
- Flatpak
- Homebrew
- Chocolatey
- Gecko
Brave Web Browser is a fast, free, secure web browser with a built-in ad blocker*, tracking and security protection, and optimized data and battery experience.
- Web Browser
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
- Flathub
- Homebrew
- Chocolatey
VPN
High-speed Swiss VPN that safeguards your privacy.
- VPN Service
- Freemium • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Google Chrome
- F-Droid
- Android TV
- Fire TV
- Mozilla Firefox
DNS Service
Our public DNS service offers DNS over HTTPS (DoH) and DNS over TLS (DoT), with QNAME minimization and basic ad blocking.
- DNS Resolver
- Free • Open Source
- Online
NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids — on all devices and on all networks.
- Ad Blocker
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Chrome OS
- BSD
- iPad
- UC Browser
- Vivaldi Browser
- Google Chrome
- Ubiquiti UniFi
- Safari
- Yandex.Browser
- Software as a Service (SaaS)
- OpenWrt
- Opera
- Alpine Linux
- pfSense
- Firefox
- DD-WRT
Password managers
Bitwarden is the easiest and safest way to store your logins and passwords across all of your devices (iOS, Android, Chrome, Firefox, Opera, Windows, Mac, Linux, and more). Bitwarden is FREE and open source.
- Password Manager
- Freemium • Open Source
- 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
- Software as a Service (SaaS)
- Flatpak
- Cloudron
- Opera
- Chocolatey
- Mono
- Brave
- Mozilla Firefox
Proton Pass keeps your passwords and identity secure with rigorous end-to-end encryption.
- Password Manager
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Google Chrome
- Flathub
- Safari
- F-Droid
- Mozilla Firefox
Notes: Standard notes and notesnook. Search: DuckDuckGo and Brave Search Maps: Organic Maps
NetNewsWire is apple only, so not really cross platform...
you are right! I removed it from my list.
Reply written Jun 11, 2024