Facebook-owned DBaaS platform Parse has open-sourced the full source code of the official Facebook f8 apps for iOS and Android, Parse Developer Advocates Christine Abernathy announced. The apps are aimed to provide guidance for how to build apps on Parse as well as a starting point for similar apps and shows an interesting use of Parse for UI customisation.
LibreSSL is the OpenBSD group's response to the Heartbleed security vulnerability that was discovered a few weeks ago in OpenSSL. LibreSSL aims at fully pruning/refactoring OpenSSL to provide a secure and stable code base, fix long standing bugs, introduce modern programming practices, and redesign portability. After one month of work, it is time for a status update.
In an effort to accelerate the development of Firefox OS, Mozilla announced a Contribution Program which will aim at providing dedicated developers with access to resources and reference hardware. Foxconn will manufacture the initial reference hardware, a tablet. The program will be open to developers, localizers, testers, and bug fixers.
Twitter has open sourced their MapReduce streaming framework, called Summingbird. Available under the Apache 2 license, Summingbird is a large-scale data processing system enabling developers to uniformly execute code in either batch-mode (Hadoop/MapReduce-based) or stream-mode (Storm-based) or a combination thereof, called hybrid mode.
Azavea a company based in Philadelphia that provides products for geographical data, has published an open source product called GeoTrellis under GNU GPL v3 license which is a geographic data processing engine for high performance applications.
2011 was a busy year for OSS projects using .NET. Phil Haack has released some highlights.