Incollector is described as 'application to collect various kinds of information (like notes, conversation logs, quotes, serial numbers, source code, web addresses, words). All the entries can be tagged, so you can find them very easily' and is an app in the file management category. There are more than 100 alternatives to Incollector for a variety of platforms, including Windows, Mac, Linux, iPhone and Android. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Microsoft OneNote. Other great apps like Incollector are Evernote, Simplenote, CherryTree and NoteLedge.
Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor.