nikkhokkho.sourceforge.io hosts a personal open-source software repository by Javier Gutiérrez Chamorro (Guti), offering a suite of Windows and cross-platform utilities. Its flagship is FileOptimizer, a lossless file size reducer that supports many formats, and the collection includes SumatraPDF optimized builds, TBClamAV, zRecompress, PatchPE, UPTIME, ZEROFILL, WinVer, TXT2PDF, XPlorer, MEMTRACE, and more. The site functions as a multilingual download hub and blog-style information portal for these open-source tools.
AI named FileOptimizer from December 2025 to July 2026.
Brand page for nikkhokkho-sourceforge-io