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Curated Collections

Cryptographic Libraries

Libraries providing implementations of various cryptographic algorithms and protocols.

The Linux Foundation

by The Linux Foundation

・

119 projects ・ Updated 14 Mar 2025

Project
Contributors
Organizations
Software value
OpenSSL
9,740
1,714
$49M
Netty
5,868
1,104
$16M
pyca/cryptography
3,069
952
$11M
node.bcrypt.js
2,449
736
$72K
Mbed TLS
2,040
455
$2.9M
Bouncy Castle Crypto Package for Java
1,792
332
$38M
Open Quantum Safe
1,700
375
$145M
ring
1,645
607
$3.5M
OpenSC
1,596
364
$8.5M
phpseclib
1,373
323
$2.4M
Forge
1,170
353
$1.3M
Zeroclaw
1,168
180
$7.5M
Pion WebRTC
1,162
277
$1.8M
PyJWT
1,136
378
$250K
libsodium
1,115
373
$3M
OpenPGP.js
1,091
339
$2.1M
wolfSSL
1,090
226
$93M
PyCryptodome
1,000
270
$17M
Rustls
991
415
$3M
Botan
948
199
$183K
s2n-tls
800
149
$7.4M
Crypto++
751
139
$7.5M
MimeKit
728
109
$15M
gocryptfs
706
179
$743K
LibreSSL
691
208
$300K
Bouncy Castle Cryptography Library for .NET
644
110
$22M
libsecp256k1
602
168
$2.2M
JSEncrypt
589
122
$1.3M
AWS-LC
567
96
$107M
jsrsasign
565
139
$6.1M
Conscrypt
560
103
$4.8M
PyNaCl
512
194
$3.6M
Microsoft SEAL
508
73
$2.2M
uTLS
505
134
$1.1M
jose
498
173
$611K
Apache MINA SSHD
489
81
$5.6M
Dalek elliptic curve cryptography
474
174
$1.1M
python-jose
468
153
$163K
ProtonMail Go Crypto
455
133
$1M
BLAKE3
449
186
$1.5M
node-argon2
447
138
$22K
jwt-go
444
150
$155K
Fizz
437
41
$2.9M
libp11
407
100
$509K
Resolve
405
207
$162K
RustCrypto: Hashes
391
175
$1.1M
Elliptic
387
140
$493K
rust-native-tls
379
174
$86K
arkworks algebra
355
83
$1.4M
MIT Kerberos
352
87
$14M
p11-kit
349
103
$2.7M
RustCrypto Formats
335
133
$3.2M
Nextcloud End-to-End Encryption
329
53
$1.1M
libsignal
325
72
$7.9M
WildFly Elytron
324
43
$5.4M
RustCrypto: Traits
311
159
$480K
Argon2
308
121
$425K
Rust Secp256k1
304
116
$2.5M
bcrypt
293
120
$47K
RustCrypto: Elliptic Curves
291
99
$4.2M
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