List of free software innovations

Here is a list of software-related innovations done in an environment of free software whether by companies, communities or non-profits.

Graphics

Spiro: "a toolkit for curve design, especially font design". It is integrated into FontForge and Inkscape.

Networking

• BitTorrent: one of the most common protocols for transferring large files using peer-to-peer technology.
• maranello: packet recovery system

Operating system

• Akonadi: the extensible cross-desktop storage service for personal information mangers data.

Writing

• Metafont: the only way to make entire new font families by just changing less than 62 parameters.