
Description: Sigil is a free, open source ebook editor that allows users to edit EPUB format ebooks. It has a simple interface and supports editing book metadata, table of contents, and text formatting.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Archivy is an open-source self-hosted knowledge repository that allows you to safely preserve, organize and reuse your research, notes and website content. It provides tools to capture web pages, annotate PDFs and manage Markdown notes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API