
Description: Notabase is a free, open-source alternative to Airtable. It is a spreadsheet-database hybrid that allows you to create customizable tables, views, and forms to manage data. Key features include collaboration, APIs, and integrations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zettlr is a markdown editor for students, academics and novelists. It features a distraction-free writing mode, auto-save, syntax highlighting for various markup languages, and support for citations and bibliographies.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API