AudioMass is a free, open source, web-based Audio and Waveform Editor. It runs entirely in the browser with no backend and no plugins required!

Every tool you need to work with PDFs in one place

Every tool you need to use PDFs, at your fingertips. All are 100% FREE and easy to use! Merge, split, compress, convert, rotate, unlock and watermark PDFs with just a few clicks.

85,000+ Open Source Icons Seamless Integration Anywhere, from Markdown Files to Emails

A list of software (SaaS, PaaS, IaaS, etc.) and other offerings that have free tiers for developers.

Instant CAD files for any location on earth. Architects and urban planners use Cadmapper to save hours of routine drawing. It transforms data from public sources such as OpenStreetMap, NASA, and USGS into neatly organized CAD files.

The internet’s source of freely-usable images. Powered by creators everywhere.

Over 2.5 million+ high quality stock images, videos and music shared by our talented community.

Open Source Collection

Collection of free software.