The File Filesystem

1. linux

   1 1,037 186,192 10.0 C

   Linux kernel source tree

   

   FFS predates FreeBSD and is in some capacity supported by all 3 major BSDs. I'm fairly confident that Linux actually supports it through the ufs driver ( https://github.com/torvalds/linux/tree/master/fs/ufs ); whether the use of different names in different places makes it better or worse is an exercise for the reader.

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. TabFS

   2 27 3,823 1.6 JavaScript

   🗄 Mount your browser tabs as a filesystem.

4. qcow2fuse

   3 1 6 - Shell

   FUSE userspace mounting of .qcow2 images

   Not purely in-memory, but something like https://github.com/jrwwallis/qcow2fuse maybe? It's clunky compared to OSX's DMGs, but if you squint it achieves similar ends.

   Otherwise you could achieve this with a tmpfs wrapped to serialize to a tarball (preserving symlinks) when unmounted.

5. libsqlfs

   4 10 604 0.0 C

   a library that implements a POSIX style filesystem on top of an SQLite database

   

   Closest I found: https://github.com/guardianproject/libsqlfs

   > The libsqlfs library implements a POSIX style file system on top of an SQLite database. It allows applications to have access to a full read/write file system in a single file, complete with its own file hierarchy and name space. This is useful for applications which needs structured storage, such as embedding documents within documents, or management of configuration data or preferences. Libsqlfs can be used as an shared library, or it can be built as a FUSE (Linux File System in User Space) module to allow a libsqlfs database to be accessed via OS level file system interfaces by normal applications.

6. ffs

   5 1 468 5.1 Rust

   the file filesystem: mount semi-structured data (like JSON) as a Unix filesystem (by mgree)

   

   per an issue ticket[1], it can:

   setfattr -n user.type -v list # use xattr on macOS

   [1]: https://github.com/mgree/ffs/issues/66

7. libfuse-nim

   6 1 6 4.2 Nim

   

   Not PMunch, but bindings¹ and statusbar².

   Nimble has a couple of fuse projects and wrappers registered too.

   ¹ https://github.com/PMunch/libfuse-nim

   ² https://github.com/PMunch/statusbar

8. statusbar

   7 1 4 5.2 Nim

   Libfuse based statusbar for Nimdow and other xsetroot -name WMs (by PMunch)

   

   Not PMunch, but bindings¹ and statusbar².

   Nimble has a couple of fuse projects and wrappers registered too.

   ¹ https://github.com/PMunch/libfuse-nim

   ² https://github.com/PMunch/statusbar

9. Pry

   8 36 6,780 7.8 Ruby

   A runtime developer console and IRB alternative with powerful introspection capabilities.

   

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