Top 20 products relevant to Office Suites and Note Taking

Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

CryptPad is a collaborative office suite that is end-to-end encrypted and open-source.

Open Source freemium €5.0 / Monthly (Personal 5GB)

Open-source cross-platform word processor.

AbiWord is a free software word processor.

Open-source word processor of the Apache OpenOffice suite.

Plain text outliner with side-by-side views.

WPS Writer is the word processing software, part of WPS Office.

LaTeX editor for macOS, macOS, iOS, iPad, iPhone and iPod Touch, with syntax highlighting, multi-file support and integrated PDF.

WordTsar is an open-source word processing software that provides you the basic options to create the document easily.

Cocalc Online LaTeX Editor helps you focus on writing your content and take care of anything else.

Taxable is an all-in-one Latex editor designed for iPad, allowing users to edit their Latex project having complete offline support.

Hostmath is a user-friendly mathematical symbol or equation editor that provides you an opportunity to edit your entire difficult equation in seconds.

Real-time collaborative text-editor. No account required. Edits highlighted in authors color.

Easy version control and collaboration for writers.

It’s a word processor, not a nuclear reactor.

Get things done offline with the Google Docs family of products.

The original dry erase sticky note.

Encrypted, decentralized alternative to Google calendar.

Based on open source Etherpad. Finnish language. Supports HTTPS.

Skiff is a document collaboration platform with password-protected folders, expiring links, and secure workspaces.