Description: DroidRef is a free online Android reference guide that provides detailed information on Android APIs, Intent filters, permissions, samples, guides and tools. It allows developers to easily look up Android platform features to build their apps.
Type: software
Pricing: Open Source
Description: Xournal++ is a free, open-source notetaking and sketching software for Linux. It supports pen input and annotations on PDFs. Key features include sticky notes, rulers, page templates, shape recognition, and LaTeX support.
Type: software
Pricing: Open Source