#copy-on-write

  1. concread

    Concurrently Readable Data-Structures for Rust

    v0.5.10 22K #lru #transactional-memory #copy-on-write #mvcc #concurrency
  2. persy

    Transactional Persistence Engine

    v1.7.1 34K #database #database-transaction #copy-on-write #storage-database
  3. sanakirja

    Copy-on-write datastructures, storable on disk (or elsewhere) with a stable format

    v2.0.0-beta 3.8K #on-disk #version #lock-files #data-structures #disk-format #copy-on-write #crc #database
  4. instance-copy-on-write

    A MT-safe copy-on-write implementation for the data structures

    v0.9.1 #copy-on-write #mutex #cow
  5. imbuf

    Image buffers that abstract over underlying storage (Vec, Arc, or custom backends). Features copy-on-write semantics for efficient memory usage.

    v0.3.3 600 #copy-on-write #buffer #computer-vision #image-buffer #ffi #graphics
  6. cow_vec

    A vector-like container optimized for efficient cloning with copy-on-write semantics

    v1.4.0 #copy-on-write #vector-cow #clone #persistent
  7. cow-cli

    Copy-on-write workspace manager for parallel development

    v0.1.10 #git #copy-on-write #apfs #workspace #development
  8. moduforge-transform

    不可变数据结构与事务系统基础

    v0.7.0 #transform #modu-forge #node-step #不可变数据结 #copy-on-write #与事务系统基
  9. clonetree

    A copy-on-write directory library for Rust with fast reflink cloning

    v0.0.2 180 #copy-on-write #directory #clone #cloning #reflink #symlink #glob
  10. cowsync

    CLI tool to sync directories using copy-on-write with include/exclude pattern support

    v0.1.0 #copy-on-write #cli #filesystem #sync
  11. lcpfs

    LCP File System - A ZFS-inspired copy-on-write filesystem for Rust

    v2026.1.102 #copy-on-write #os #zfs
  12. cowfile

    A copy-on-write abstraction for binary data backed by memory or files

    v0.2.2 #copy-on-write #overlay #binary #file
  13. smox

    Box that stores small objects inline and bigger objects on the heap using Box, Rc or Arc, with CoW semantic

    v0.5.0 #copy-on-write #stack #box
  14. am-img-qcow2

    Pure-Rust QCOW2 reader. Exposes a Rust API and a C ABI suitable for FFI from C/C++/Go/Swift.

    v0.3.0 #cluster #abi #disk-image #rust-api #qcow2 #gpl #copy-on-write #zlib #zstd
  15. branchfs

    FUSE filesystem with atomic branching for speculative execution

    v0.1.1 #branch #copy-on-write #fuse #filesystem #fuse-fs
  16. lamella

    Orchestration layer for CoW-accelerated git worktree hydration

    v0.1.2 #worktree #git-worktree #layer #orchestration #hydration #gitignore #claude #disk-space #copy-on-write #ai-coding
  17. wirefox

    Protobuf Runtime

    v0.1.3 #protobuf #run-time #safe #text-formatting #google #lazy-evaluation #protobuf-message #copy-on-write
  18. imstr

    Cheaply clonable and slicable immutable strings

    v0.2.0 320 #string-parser #copy-on-write #immutability #zero-copy #slice #shared-data #utf-8-string #im #arc
  19. ctree

    A copy-on-write directory library for Rust with fast reflink cloning

    v0.0.2 #copy-on-write #directory #clone #reflink #cloning #glob
  20. cowstr

    Copy-on-Write shared strings

    v1.3.0 12K #copy-on-write #rc #string
  21. redwing

    A copy-on-write, branching byte-stream library backed by a piece table and delta log

    v0.3.0 #byte-stream #branch #copy-on-write #logging #tree #arc #materialize #dyn #fresh #interior-mutability
  22. orogene

    node_modules/ package manager and utility toolkit

    v0.3.34 130 #package-manager #happen #node-modules #oro #fuss #copy-on-write #node-module #npm #bundler #nodejs
  23. arcow

    Atomically Reference-counted Copy-On-Write shared pointer

    v1.1.1 #rc #copy-on-write #cow
  24. grass_chewer

    A generalized COW (copy-on-write) type

    v0.1.0 #copy-on-write #smart-pointers #cow
  25. cjc-runtime

    Runtime library: values, builtins, tensors, COW buffers

    v0.1.8 #deterministic #run-time #cjc #tensor #matrix #copy-on-write #interpreter #simd-accelerated #element-wise #matrix-multiplication
  26. memsnap

    creating memory snapshots and views with copy-on-write semantics

    v0.1.2 #view #semantic #copy-on-write #snapshot #memory-region
  27. mantle-git

    CoW-accelerated git worktree hydration

    v0.1.3 #worktrees #mantle #disk-space #gitignore #git-worktree #copy-on-write #hydration #apfs #node-modules #falls
  28. strloin

    copy on write slices of a string

    v0.3.0 360 #copy-on-write #slice #string #cow
  29. copy_on_write

    Copy-On-Write Rust implementation

    v0.2.0 #file-copy #os #windows #cloud-native #filesystem
  30. xarray

    version of the XArray with copy-on-write capabilities

    v0.1.1 100 #copy-on-write #version #mark #immutability #data-structures #write-operations #concurrency #marking #arc #8-byte
  31. cow_vec_item

    Copy-on-write Vec, available on stable rust

    v0.5.1 #copy-on-write #cow-vec #collection
  32. reflink

    copy-on-write mechanism on supported file systems

    v0.1.3 14K #copy-on-write #btrfs #xfs
  33. mastring

    A string type that tries to minimise memory allocations

    v0.2.0 110 #allocation #to-string #memory-management #short #minimise #smart-pointers #const-context #static-memory #copy-on-write #global-variables
  34. ids

    several data structures, inspired by Bagwell’s Ideal Hash Trees, with an automatic copy-on-write implementation, analogous that of Clojure, to maximize performance. It is compatible with no_std code…

    v0.1.4 #copy-on-write #clojure #performance #automatic #hash-tree #analogous #data-structures
  35. little-becky

    backup with copy-on-change model

    v0.1.0 #backup #copy-on-write
  36. git-warp

    High-performance, UX-focused Git worktree manager combining CoW speed with advanced features

    v0.1.0 #claude #worktree #git #git-worktree #agent #terminal-integration #copy-on-write #config-file #apfs
  37. nimrodshn-btree

    A persistent copy-on-write B+Tree implementation, designed as an index for a key-value store, inspired by SQLite

    v0.1.0 #key-value-store #b-tree #copy-on-write #persistent-key-value-store #b-tree-index #unit-testing #node-key
  38. arc-disk-cache

    Concurrently Readable Disk Cache

    v0.1.0 #lru #transactional-memory #copy-on-write #concurrency #mvcc
  39. shallowclone

    Traits for working with copy-on-write types more efficiently

    v0.1.0 #copy-on-write #traits #shallow #borrowing #write-trait
  40. cowblock

    Block-level copy-on-write tool

    v2.0.0 #copy-on-write #block-level #file #filesystem #database #file-copy #fuse #hard-drive
  41. easy_strings

    Ergonomic, garbage collected strings for Rust

    v0.2.0 #garbage-collected #ez #copy-on-write #high-level-language #split #java #hood #concatenation
  42. sso_string

    An API compatible string type in rust that implements short string and copy-on-write optimizations

    v0.1.3 #string-optimization #api-compatible #copy-on-write #short-string
  43. Try searching with DuckDuckGo.

  44. char-circle

    A circular buffer for strings and traits for in-place string transforms

    v0.1.0 #circular-buffer #copy-on-write #in-place #string-buffer
  45. stringish

    A smaller and easier copy-on-write string

    v0.1.1 #copy-on-write #string #cow
  46. cow-rewrite

    Rewrite copy-on-write types copying only when it's neccessary

    v0.1.0 #copy-on-write #rewrite #cow
  47. ownit

    Easily turn borrowed type into owned values

    v0.1.0 #borrowing #value #to-owned #convert #akin #copy-on-write
  48. lazy-cow

    Copy-on-write pointers with lazy modification support to minimise clones with a cost counter to limit work duplication

    v0.1.0 #lazy-evaluation #copy-on-write #duplicates
  49. collection

    Deterministic, copy-on-write balanced search trees

    v0.1.1 #search-tree #deterministic #copy-on-write #balanced #weight #hash
  50. cow

    A Copy-On-Write Triemap

    v0.0.8 #copy-on-write #trie-node #triemap
  51. clonedir

    clone a directory with copy-on-write

    v0.1.0 #copy-on-write #directory #directory-with-copy-on-write
  52. cowrc

    A set of copy-on-write smart pointers

    v0.0.4 #smart-pointers #copy-on-write
  53. hashcow

    HashMap implementation with copy-on-write keys and values

    v0.2.0 #hash-map #copy-on-write #cow
  54. fera-array

    Arrays traits and implementations (prefixed, copy on write, nested, etc)

    v0.1.0 #copy-on-write #traits #fera #array #nested
  55. cordwood

    non-archival blockchain key-value store with fast recent state retrieval

    v0.0.4 #blockchain #key-value-store #retrieval #wal #ethereum #mpt #state-db #storage-space #copy-on-write
  56. clonedir_lib

    clone a directory with copy-on-write

    v0.1.1 #copy-on-write #clonedir #lib #directory
  57. shallowclone-derive

    Traits for working with copy-on-write types more efficiently

    v0.1.0 #copy-on-write #traits #write-trait #borrowing
  58. ownit-derive

    Easily turn borrowed type into owned values

    v0.1.0 #borrowing #value #owned #derive #turn #copy-on-write