1.veracrypt / VeraCrypt
Disk encryption with strong security based on TrueCrypt
- encryption
- encryption-decryption
- encryption-algorithms
- veracrypt
- idrix
- veracrypt-source
+2,393 stars
from 9,651 · score 7.78
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
82 repositories by Attention Score · May 8, 2026 – Nov 3, 2026 (UTC)
2.radareorg / radare2
UNIX-like reverse engineering framework and command-line toolset
- radare2
- c
- commandline
- reverse-engineering
- forensics
- security
- +4 more
+1,771 stars
from 23,528 · score 7.48
3.hashcat / hashcat
World's fastest and most advanced password recovery utility
+1,513 stars
from 25,737 · score 7.32
4.openssl / openssl
General purpose TLS and crypto library
- cryptography
- openssl
- encryption
- tls
- ssl
- decryption
+1,298 stars
from 29,885 · score 7.17
5.redcanaryco / atomic-red-team
Small and highly portable detection tests based on MITRE's ATT&CK.
- mitre
- mitre-attack
+930 stars
from 11,834 · score 6.84
6.openwall / john
John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs
- john
- c
- ripper
- password
- jtr
- opencl
- +10 more
+884 stars
from 12,978 · score 6.79
7.vanhauser-thc / thc-hydra
hydra
- penetration-testing
- password-cracker
- network-security
- hydra
- thc
- pentesting
- +10 more
+808 stars
from 11,651 · score 6.70
8.rizinorg / rizin
UNIX-like reverse engineering framework and command-line toolset.
- reverse-engineering
- program-analysis
- security
- exploitation
- debugging
+585 stars
from 3,535 · score 6.37
+541 stars
from 21,409 · score 6.30
10.cilium / tetragon
eBPF-based Security Observability and Runtime Enforcement
+536 stars
from 4,614 · score 6.29
11.capstone-engine / capstone
Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.
- reverse-engineering
- disassembler
- security
- framework
- arm
- arm64
- +14 more
+515 stars
from 8,649 · score 6.25
12.screetsec / TheFatRat
Thefatrat a massive exploiting tool : Easy tool to generate backdoor and easy tool to post exploitation attack like browser attack and etc . This tool compiles a malware with popular payload and then the compiled malware can be execute on windows, android, mac . The malware that created with this tool also have an ability to bypass most AV software protection .
- thefatrat
- bypass
- linux
- autorun
- bypass-av
- antivirus
- +14 more
+497 stars
from 11,080 · score 6.21
13.Cyan4973 / xxHash
Extremely fast non-cryptographic hash algorithm
- xxhash
- smhasher
- hash-functions
- c
- dispersion
- hash
- +1 more
+469 stars
from 10,934 · score 6.15
14.Mbed-TLS / mbedtls
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
+467 stars
from 6,583 · score 6.15
+463 stars
from 9,530 · score 6.14
16.jedisct1 / libsodium
A modern, portable, easy to use crypto library.
- crypto
- cryptography
- c
- zig-package
+456 stars
from 13,583 · score 6.12
17.SpacehuhnTech / esp8266_deauther
Affordable WiFi hacking platform for testing and learning
+415 stars
from 14,665 · score 6.03
18.GrapheneOS / hardened_malloc
Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platforms. It will gain more portability/integration over time.
- malloc
- security
- memory-allocation
- malloc-library
- memory-allocator
- memory
- +4 more
+246 stars
from 1,806 · score 5.51
19.basil00 / WinDivert
WinDivert: Windows Packet Divert
- windivert
- packet-capture
- packet-sniffer
- firewall
- divert-sockets
- network-programming
- +1 more
+196 stars
from 3,144 · score 5.28
20.kamailio / kamailio
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability
+194 stars
from 2,798 · score 5.27
21.m0nad / Diamorphine
LKM rootkit for Linux Kernels 2.6.x-7.x (x86/x86_64 and ARM/ARM64)
- rootkit
- lkm-rootkit
- c
- kernel
- kernel-module
- security-tools
- +14 more
+194 stars
from 2,294 · score 5.27
22.wolfSSL / wolfssl
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.
- ssl
- tls
- cryptography
- security
- openssl
- tls13
- +14 more
+187 stars
from 2,797 · score 5.24
+185 stars
from 8,394 · score 5.23
24.ashvardanian / StringZilla
Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖
+161 stars
from 3,422 · score 5.09
25.P-H-C / phc-winner-argon2
The password hash Argon2, winner of PHC
+145 stars
from 5,254 · score 4.98
26.sleuthkit / sleuthkit
The Sleuth Kit® (TSK) is a library and collection of command line digital forensics tools that allow you to investigate volume and file system data. The library can be incorporated into larger digital forensics tools and the command line tools can be directly used to find evidence.
- sleuthkit
- tct
- ntfs
- forensics
- incident-response
+135 stars
from 3,048 · score 4.91
27.ZerBea / hcxtools
A small set of tools to convert packets from capture files to hash files for use with Hashcat or John the Ripper.
- wlan
- wpa
- wpa2
- raspberry-pi
- hashcat
- handshake
- +8 more
+115 stars
from 2,354 · score 4.75
28.ossec / ossec-hids
OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
- hids
- security
- pci-dss
- nist800-53
- ossec
- compliance
- +5 more
+102 stars
from 4,968 · score 4.63
+101 stars
from 4,921 · score 4.62
30.TokTok / c-toxcore
The future of online communications.
+86 stars
from 2,609 · score 4.47
31.OpenSIPS / opensips
OpenSIPS is a GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms.
+83 stars
from 1,462 · score 4.43
32.a0rtega / pafishArchived
Pafish is a testing tool that uses different techniques to detect virtual machines and malware analysis environments in the same way that malware families do
- malware
- reverse-engineering
- virtual-machine
- malware-families
- analysis-environments
- sandbox
- +3 more
+78 stars
from 3,867 · score 4.37
+77 stars
from 4,708 · score 4.36
34.google / honggfuzz
Security oriented software fuzzer. Supports evolutionary, feedback-driven fuzzing based on code coverage (SW and HW based)
+77 stars
from 3,332 · score 4.36
35.mozillazg / ptcpdump
Process-aware, eBPF-based tcpdump
- ebpf
- ebpf-tc
- tcpdump
- tcpdump-like
- ebpf-go
- network-capture
- +9 more
+74 stars
from 1,225 · score 4.32
36.panda-re / panda
Platform for Architecture-Neutral Dynamic Analysis
- reverse-engineering
- dynamic-analysis
- qemu
- pandare
- pypanda
+71 stars
from 2,723 · score 4.28
37.profanity-im / profanity
Ncurses based XMPP client
- xmpp-client
- c
- xmpp
- chat
- ncurses
- decentralization
- +6 more
+64 stars
from 1,488 · score 4.17
38.uNetworking / uSockets
Miniscule cross-platform eventing, networking & crypto for async applications
+64 stars
from 1,448 · score 4.17
+62 stars
from 2,082 · score 4.14
40.zlib-ng / minizip-ng
Fork of the popular zip manipulation library found in the zlib distribution.
- minizip
- zip
- zlib
- lzma
- bzip2
- winzip-aes
- +9 more
+62 stars
from 1,447 · score 4.14
41.libtom / libtomcrypt
LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
- libtomcrypt
- cryptography
- c
- encryption
+50 stars
from 1,751 · score 3.93
42.B-Con / crypto-algorithms
Basic implementations of standard cryptography algorithms, like AES and SHA-1.
+49 stars
from 2,005 · score 3.91
43.h3xduck / TripleCross
A Linux eBPF rootkit with a backdoor, C2, library injection, execution hijacking, persistence and stealth capabilities.
+47 stars
from 1,945 · score 3.87
44.brannondorsey / naive-hashcat
Crack password hashes without the fuss :cat2:
+45 stars
from 1,383 · score 3.83
45.Mutasem-mk4 / procscope
Zero-overhead eBPF process tracer for Linux malware triage and incident response. Traces syscalls, network, and file events per-process without strace overhead.
- bpf
- ebpf
- forensics
- golang
- linux-security
- reverse-engineering
- +14 more
+45 stars
from 2 · score 3.83
46.hasherezade / mal_unpack
Dynamic unpacker based on PE-sieve
- libpeconv
- pe-sieve
- memory-forensics
- malware-unpacker
- malware-analysis
+41 stars
from 803 · score 3.74
47.jedisct1 / libhydrogen
A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
+37 stars
from 757 · score 3.64
48.e-ago / bitcracker
BitCracker is the first open source password cracking tool for memory units encrypted with BitLocker
- bitlocker
- password-cracker
- cuda
- cryptography
- gpgpu
- windows
- +10 more
+27 stars
from 949 · score 3.33
49.Gui774ume / ebpfkit
ebpfkit is a rootkit powered by eBPF
- ebpf
- security
- rootkit
- linux
- linux-kernel
- linux-kernel-hacking
- +2 more
+27 stars
from 839 · score 3.33
50.zeustrojancode / ZeusArchived
NOT MY CODE! Zeus trojan horse - leaked in 2011, I am not the author. This repository is for study purposes only, do not message me about your lame hacking attempts.
- c
- c-plus-plus
- malware
- russian
- virus
- leaks
+26 stars
from 1,544 · score 3.30
51.cossacklabs / themis
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
- cryptography-library
- cryptography
- security
- golang
- ios
- swift
- +14 more
+24 stars
from 1,959 · score 3.22
52.mentebinaria / readpe
The PE file analysis toolkit
- binary-analysis
- reverse-engineering
- pe-file
- portable-executable
- malware-analysis
- malware-research
+22 stars
from 770 · score 3.14
53.Cybereason-Public / owLSM
Sigma Rules Engine inside the Linux Kernel using eBPF. Focusing on prevention capabilities
- ebpf
- security
- linux-kernel
- linux-security-module
- sigma-rule
+22 stars
from 260 · score 3.14
54.pyca / pynacl
Python binding to the Networking and Cryptography (NaCl) library
- cryptography
- libsodium
- nacl
- python
+21 stars
from 1,188 · score 3.09
55.liudf0716 / apfree-wifidog
Translatedapfree-wifidog is a high-performance captive portal solution that serves as a gateway between your wireless networks and the Internet. Optimized for both HTTP and HTTPS traffic, it ensures secure border control while enabling seamless user authentication and efficient network management. Buy the services in the link below to support my open source work.
- openwrt
- libevent
- c
- wifidog
- wifi
- captive-portal
- +1 more
+21 stars
from 920 · score 3.09
56.eduardsui / tlse
Single C file TLS 1.2/1.3 implementation, using tomcrypt as crypto library
+17 stars
from 667 · score 2.89
57.ppomes / myanon
A mysqldump anonymizer
- mysqldump
- anonymizer
- database-anonymizer
- rgpd
- anonymization
- mysql
- +12 more
+17 stars
from 118 · score 2.89
58.rosehgal / BinExp
Linux Binary Exploitation
- linux
- binaries
- exploitation
- stackoverflow
- tutorial
- consolidation
- +11 more
+15 stars
from 1,346 · score 2.77
59.OpenIDC / mod_auth_openidc
OpenID Certified™ OpenID Connect and FAPI 2 Relying Party module for Apache HTTPd
- apache-httpd
- openid-connect
- openidconnect-client
- openidc
- c
- authentication
- +3 more
+15 stars
from 1,081 · score 2.77
60.czs108 / Windows-PE-Packer
🗜️ A packer for Windows x86 executable files written in C and Intel x86 Assembly. The new file after packing can obstruct reverse engineering（使用C和Intel x86汇编开发的Windows x86可执行文件打包工具，打包后的新文件可以阻碍逆向工程）
+15 stars
from 354 · score 2.77
61.strazzere / android-unpacker
Android Unpacker presented at Defcon 22: Android Hacker Protection Level 0
- android-unpacker
- gdb
- qemu
- reverse-engineering
- android
- unpacker
+14 stars
from 1,169 · score 2.71
62.jtesta / ssh-mitmArchived
SSH man-in-the-middle tool
- penetration-testing
- ssh
- mitm
- man-in-the-middle
- man-in-the-middle-attack
- hacking
+13 stars
from 1,728 · score 2.64
63.cisco / joyArchived
A package for capturing and analyzing network flow data and intraflow data, for network research, forensics, and security monitoring.
+12 stars
from 1,353 · score 2.56
64.miracl / MIRACL
MIRACL Cryptographic SDK: Multiprecision Integer and Rational Arithmetic Cryptographic Library is a C software library that is widely regarded by developers as the gold standard open source SDK for elliptic curve cryptography (ECC).
+12 stars
from 691 · score 2.56
+12 stars
from 545 · score 2.56
66.taviso / ctftool
Interactive CTF Exploration Tool
- security
- reverse-engineering
- windows
- windows-internals
+9 stars
from 1,660 · score 2.30
67.OpenIDC / liboauth2
OAuth 2.x and OpenID Connect C library
+8 stars
from 131 · score 2.20
68.linux-lock / bpflock
bpflock - eBPF driven security for locking and auditing Linux machines
- bpf
- ebpf
- security
- lsm
- containers
- kubernetes
- +3 more
+6 stars
from 151 · score 1.95
69.basil00 / Tallow
Tallow - Transparent Tor for Windows
- tor
- tor-network
- censorship-circumvention
- privacy
- windivert
+5 stars
from 555 · score 1.79
70.rieck / malheur
A Tool for Automatic Analysis of Malware Behavior
- machine-learning
- clustering
- classification
- malware-analysis
+5 stars
from 373 · score 1.79
71.netfoundry / zfw
An EBPF based IPv4/IPv6 firewall with integrations for OpenZiti Zero-Trust Framework edge-routers and tunnellers
+5 stars
from 80 · score 1.79
72.ampotos / dynStruct
Reverse engineering tool for automatic structure recovering and memory use analysis based on DynamoRIO and Capstone
+4 stars
from 326 · score 1.61
73.sslab-gatech / janus
Janus: a state-of-the-art file system fuzzer on Linux
- fuzzing
- fuzzer
- lkl
- filesystem
- btrfs
- ext4
- +1 more
+4 stars
from 235 · score 1.61
74.Gui774ume / ebpfkit-monitor
ebpfkit-monitor is a tool that detects and protects against eBPF powered rootkits
- linux
- security
- kernel
- rootkit
- linux-kernel
- ebpf
- +2 more
+4 stars
from 141 · score 1.61
+4 stars
from 128 · score 1.61
76.maciejczyzewski / retter
A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography & security. :closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key: (project was renamed, libchaos is main)
+4 stars
from 116 · score 1.61
77.bad-antics / nullsec-logreaper
🪓 High-Speed Log Analysis & Forensics Tool - Part of NullSec Toolkit
- c
- forensics
- log-analysis
- security
- high-performance
- nullsec
- +5 more
+4 stars
from 79 · score 1.61
78.SentryPeer / SentryPeer
Protect your SIP Servers from bad actors at https://sentrypeer.org
- sip
- voip
- security-tools
- honeypot
- peer-to-peer
- p2p
- +14 more
+3 stars
from 209 · score 1.39
79.rafael-santiago / pig
A Linux packet crafting tool.
- packet-crafting
- networking
- hacking-tool
- intrusion-prevention
- forensics
- network-analysis
- +6 more
+2 stars
from 474 · score 1.10
+1 stars
from 104 · score 0.69
+1 stars
from 96 · score 0.69
82.dmazzella / ucrypto
Micropython package for doing fast rsa and elliptic curve cryptography, specifically digital signatures
- cryptography
- elliptic-curves
- micropython
- rsa
+1 stars
from 44 · score 0.69