Welcome
This site holds a collection of applications and utility programs that I have written through the years. Feel free to browse and see if you find anything of interest. Most, if not all of the applications are released under the GNU General Public License, version 2 or version 3.
For updates and comments on my work, please visit my blog. For easy access to relevant source code, I have accounts at github and sourceforge.
These projects take up a lot of time, and I'm working on them all by myself. So if you find them useful, and have some money to spare, feel free to donate some to my development efforts. Any amount will be appreciated. Also, if you have any non-trivial feature request for my apps, that can also be discussed together with a donation. (Of course, you can request features without donating, but then I can't make any promises...)
Updates
2025-08-17 - refsprogs 2025.8.17 is released with initial sparse file/symlink support and better support for v1.x volumes.
2025-08-11 - refsprogs 2025.8.11 is released with a fix for a crash and some other issues.
2025-08-03 - refsprogs 2025.8.3 is released with libfuse3 support and introducing binary packages for Debian.
2025-07-30 - refsprogs 2025.7.30 is released with a new refsimage utility for imaging / debug data collection.
2025-07-26 - refsprogs 2025.7.26 is released with support for the lowlevel API in the FUSE driver + some bugfixes.
2025-07-23 - refsprogs 2025.7.23 is released, adding support for hard links in the tools and FUSE driver.
2025-07-04 - refsprogs 2025.7.4 is released with fixes for retrieving data from entries with non-resident attribute lists.
2025-06-22 - refsprogs 2025.6.22 is released, adding support for extended attributes and named streams in the tools.
2025-06-14 - refsprogs 2025.6.14 is released, adding support for ReFS 3.14 and resident data attributes.
2023-03-19 - Published refsprogs, a FUSE driver and tools for the ReFS filesystem, written in C.
2021-10-09 - HFSExplorer 2021.10.9 is released. See changelog for details.
2021-02-22 - HFSExplorer 2021.2.22 is released. See changelog for details.
2020-09-17 - HFSExplorer 2020.9.17 is released. See changelog for details.
2015-10-13 - HFSExplorer 0.23.1 is released. See changelog for details.
2015-01-09 - HFSExplorer 0.23 is released. See changelog for details.
2014-08-25 - HFSExplorer 0.22.1 is released. See changelog for details.
2014-08-18 - HFSExplorer 0.22 is released. See changelog for details.
2009-07-14 - jFUSE 0.1 is released.
2008-12-23 - HFSExplorer 0.21 is released. See changelog for details.
2008-11-10 - DMGExtractor 0.70 released, supporting encrypted .dmg files. See changelog.
2008-11-07 - HFSExplorer 0.20.1, a minor bugfix version, is released. See changelog.
2008-11-04 - HFSExplorer 0.20 released with HFS, encryption and symlink support. See changelog.
2008-09-06 - DiskUsageAnalyzer 1.00 is released. See changelog for details.
2008-07-18 - HFSExplorer 0.19.5 released. See changelog for details.
2007-11-14 - HFSExplorer 0.19 released with HFSX support, caching and support for bzip2 dmgs.
2007-10-05 - I have started to maintain an NTFS-3G package for Mac OS X.
2007-09-08 - Blog created.
2007-08-31 - DMGExtractor 0.60 is released with bzip2 compression support. See changelog.
2007-07-31 - DiskUsageAnalyzer 0.80 is released. See link for details.
2007-07-26 - HFSExplorer 0.18.3 is out. Read changelog.
2007-07-23 - HFSExplorer 0.18.2 is out. Read changelog.
2007-07-12 - HFSExplorer 0.18.1 is out. Read changelog.
2007-06-29 - HFSExplorer 0.18 is out. Read changelog.
2007-04-07 - HFSExplorer 0.17 is out, with .dmg file support. Read changelog.
2007-04-03 - HFSExplorer 0.16 is out. Read changelog.
2007-03-28 - HFSExplorer 0.15 is out, fixing a few bugs and adding/polishing some UI features.
2007-03-13 - Posted rarfs_fuse, a program for mounting RAR archives inside a file system.
2007-02-04 - New version of HFSExplorer out. Latest version is now 0.11. Read changelog for details.
2007-02-03 - Added a section for smaller utility programs, and posted FindDuplicates as the first.
Erik Larsson (
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