科學中心
4.0 顆星，最多 5 顆星（基於 2 條評論）
Sci-Hub is a website that provides free access to millions of research papers and books,
類別： 商品/服務
Standard Ebooks
5.0 顆星，最多 5 顆星（基於 1 則評論）
The Standard Ebooks project is a volunteer driven, not-for-profit effort to produce a
古騰堡計劃
5.0 顆星，最多 5 顆星（基於 1 則評論）
Project Gutenberg (PG) is a volunteer effort to digitize and archive cultural works, to
自由網
5.0 顆星，最多 5 顆星（基於 1 則評論）
Freenet 是一個用於抗審查通信的點對點平台。它使用一個
放克鯨
5.0 顆星，最多 5 顆星（基於 1 則評論）
Funkwhale is a community-driven project that lets you listen and share music and audio within a
GNU social
5.0 顆星，最多 5 顆星（基於 1 則評論）
GNU social (previously known as StatusNet and once known as Laconica) is a free and open source
Pleroma
5.0 顆星，最多 5 顆星（基於 1 則評論）
Pleroma is a microblogging server software that can federate (= exchange messages with) other
Hubzilla
4.0 顆星，最多 5 顆星（基於 2 條評論）
Hubzilla is a general purpose communication server integrated with a web publishing system and
Friendica
4.5 顆星，最多 5 顆星（基於 2 條評論）
Friendica (formerly Friendika, originally Mistpark) is an open, free, distributed social
Hackaday.io
4.0 顆星，最多 5 顆星（基於 1 則評論）
Hackaday.io started as a project hosting site in early 2014 under the name of Hackaday Projects