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free cross-platform IDE for Free Pascal

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MiKTeX is a free and open-source distribution of the TeX/LaTeX typesetting system compatible with Linux, MacOS, and Windows. It also contains a set of related programs. MiKTeX provides the tools necessary to prepare documents using the TeX/LaTeX markup language, as well as a simple TeX editor, TeXworks. The name comes from the login credentials of the chief developer Christian Schenk, MiK for Micro-Kid.

PeaZip is a free and open-source file manager and file archiver for Microsoft Windows, ReactOS, Linux, MacOS and BSD by Giorgio Tani. It supports its native PEA archive format (supporting compression, multi-volume split, and flexible authenticated encryption and integrity check schemes) and other mainstream formats, with special focus on handling open formats. Version 9.4.0 supported 234 file extensions.

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TorChat was a peer-to-peer anonymous instant messenger that used Tor onion services as its underlying network. It provided cryptographically secure text messaging and file transfers. The characteristics of Tor's onion services ensure that all traffic between the clients is encrypted and that it is very difficult to tell who is communicating with whom and where a given client is physically located.

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LazPaint is a free and open-source cross-platform lightweight image editor with raster and vectorial layers created with Lazarus. The software aims at being simpler than GIMP, is an alternative to Paint.NET and is also similar to Paintbrush.