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20 repositories by Attention Score · Oct 28, 2026 – Nov 3, 2026 (UTC)

Language: C#
Tag: Security
Clear all

1.notinferred / keypaste

A KeePass-compatible password and secrets manager for people who work with AI agents.

dotenv
keepass
mcp-server
password-manager
secrets-management

C#AGPL-3.0820 total8 forks

+365 stars

from 430 · score 5.90

2.icsharpcode / ILSpy

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

decompiler
decompiler-engine
c-sharp
dotnet
dotnetcore
mono
+4 more

C#MIT27K total3.8K forks

+108 stars

from 26,838 · score 4.69

3.dnSpyEx / dnSpy

Unofficial revival of the well known .NET debugger and assembly editor, dnSpy

baml
csharp
debug
debugger
decompile
decompiler
+9 more

C#GPL-3.011K total778 forks

+68 stars

from 11,352 · score 4.23

4.bitwarden / server

Bitwarden infrastructure/backend (API, database, Docker, etc).

aspnetcore
aspnet
sql-server
api
sql
csharp
+5 more

C#Other license21K total1.8K forks

+62 stars

from 20,497 · score 4.14

5.peass-ng / PEASS-ng

PEASS - Privilege Escalation Awesome Scripts SUITE (with colors)

enumeration
linux
unix
bash
shell
script
+13 more

C#Other license21K total3.4K forks

+30 stars

from 20,726 · score 3.43

6.lucasg / Dependencies

A rewrite of the old legacy software "depends.exe" in C# for Windows devs to troubleshoot dll load dependencies issues.

windows
dll
wpf
csharp

C#MIT12K total957 forks

+10 stars

from 11,926 · score 2.40

7.pardeike / Harmony

A library for patching, replacing and decorating .NET and Mono methods during runtime

csharp
patcher
detour
detours
runtime
mono
+5 more

C#MIT6.7K total584 forks

+9 stars

from 6,716 · score 2.30

8.openiddict / openiddict-core

Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET

openidconnect
oauth2
aspnetcore
dotnet

C#APACHE-2.05.3K total604 forks

+7 stars

from 5,284 · score 2.08

9.uxmal / reko

Reko is a binary decompiler.

decompiler
dotnet
decompiler-engine
decompile
reverse-engineering
x86
+7 more

C#GPL-2.02.6K total269 forks

+7 stars

from 2,627 · score 2.08

10.win-acme / win-acme

Automate SSL/TLS certificates on Windows with ease

acme
certificates
windows
iis
exchange
rds
+4 more

C#APACHE-2.05.8K total867 forks

+5 stars

from 5,826 · score 1.79

11.de4dot / de4dotArchived

.NET deobfuscator and unpacker.

C#GPL-3.07.4K total2.8K forks

+4 stars

from 7,426 · score 1.61

12.odedshimon / BruteShark

Network Analysis Tool

hacking
pcap-files
pcap
cyber
network-analysis
hashcat
+11 more

C#GPL-3.03.4K total355 forks

+4 stars

from 3,410 · score 1.61

13.SteamRE / SteamKit

SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.

steamkit2
c-sharp
nuget
steam
valve
networking
+3 more

C#LGPL-2.13.2K total548 forks

+4 stars

from 3,217 · score 1.61

14.ErikEJ / EFCorePowerTools

Entity Framework Core Power Tools - reverse engineering, migrations and model visualization in Visual Studio & CLI

entity-framework-core
visual-studio
entity-framework
model-visualization
sql-server
hacktoberfest
+3 more

C#MIT2.5K total339 forks

+4 stars

from 2,512 · score 1.61

15.ashmind / SharpLab

.NET language playground

C#BSD-2-CLAUSE3K total223 forks

+2 stars

from 2,990 · score 1.10

16.BcryptNet / bcrypt.net

BCrypt.Net - Bringing updates to the original bcrypt package

blowfish
bcrypt
c-sharp
algorithm
hash
netcore
+6 more

C#MIT1K total114 forks

+2 stars

from 998 · score 1.10

17.apache / casbin-Casbin.NET

An authorization library that supports access control models like ACL, RBAC, ABAC in .NET (C#)

casbin
access-control
authorization
rbac
abac
acl
+4 more

C#APACHE-2.01.3K total131 forks

+1 stars

from 1,341 · score 0.69

18.orlikoski / CyLR

CyLR - Live Response Collection Tool

C#GPL-3.0738 total96 forks

+1 stars

from 737 · score 0.69

19.ektrah / nsec

A modern and easy-to-use cryptographic library for .NET based on libsodium

aead
aes-gcm
blake2b
chacha20-poly1305
crypto
cryptography
+14 more

C#MIT452 total52 forks

+1 stars

from 451 · score 0.69

20.harrison314 / BouncyHsm

Bouncy Hsm is a software simulator of HSM and smartcard simulator with HTML UI, REST API and PKCS#11 interface.

blazor
blazor-webassembly
bouncycastle
cryptography
csharp
hsm
+2 more

C#BSD-3-CLAUSE205 total29 forks

+1 stars

from 204 · score 0.69

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