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22 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-3.0795 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 total956 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 total585 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 total868 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 total547 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.microsoft / DevSkim

DevSkim is a set of IDE plugins, language analyzers, and rules that provide security "linting" capabilities.

security
sdl
linter
visual-studio-code-extension
visual-studio-extension

C#MIT1K total133 forks

+1 stars

from 1,016 · score 0.69

19.SonarSource / sonarlint-visualstudio

SonarQube extension for Visual Studio providing code quality and security feedback directly in the IDE

visual-studio
sonarlint
sonarqube
code-quality
security
static-analysis

C#LGPL-3.0501 total86 forks

+1 stars

from 500 · score 0.69

20.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

Puma Scan is a software security Visual Studio extension that provides real time, continuous source code analysis as development teams write code. Vulnerabilities are immediately displayed in the development environment as spell check and compiler warnings, preventing security bugs from entering your applications.

C#MPL-2.0447 total78 forks

+1 stars

from 446 · score 0.69

22.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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Trending repositories

1.notinferred / keypaste

2.icsharpcode / ILSpy

3.dnSpyEx / dnSpy

4.bitwarden / server

5.peass-ng / PEASS-ng

6.lucasg / Dependencies

7.pardeike / Harmony

8.openiddict / openiddict-core

9.uxmal / reko

10.win-acme / win-acme

11.de4dot / de4dotArchived

12.odedshimon / BruteShark

13.SteamRE / SteamKit

14.ErikEJ / EFCorePowerTools

15.ashmind / SharpLab

16.BcryptNet / bcrypt.net

17.apache / casbin-Casbin.NET

18.microsoft / DevSkim

19.SonarSource / sonarlint-visualstudio

20.ektrah / nsec

21.pumasecurity / puma-scan

22.harrison314 / BouncyHsm