A wiki is a collection of documents which collectively can be edited. TiddlyWiki is a free wiki application, but it is mainly aimed at personal use.
There are also TiddlyWiki users that the software adapted to run a server turning, the wiki online can be edited.
TiddlyWiki has the following characteristics:
You can free download TiddlyWiki and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.