Showing 129 open source projects for "defense"

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  • 1
    Mindustry

    Mindustry

    An open-source sandbox tower defense game

    Mindustry is a tower-defense sandbox factory game. Build supply chains of conveyor belts to fuel your turrets, produce materials for building, and defend your structures from waves of enemies.
    Downloads: 239 This Week
    Last Update:
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  • 2
    Niubi Guard

    Niubi Guard

    Open-source GitHub repository abuse detection and response system

    Niubi Guard is an open-source defense system for GitHub maintainers who need to detect and respond to repository abuse. It focuses on spam, harassment, coordinated attacks, suspicious issue activity, and bot-like comment patterns. The project gives maintainers control over rules, allowlists, detection signals, confidence thresholds, and response modes. It includes both a command-line workflow and a web console for configuring scans and reviewing results.
    Downloads: 8 This Week
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  • 3
    Arcjet

    Arcjet

    Arcjet JS SDKs. Rate limiting, bot protection, email verification

    Arcjet helps developers protect their apps in just a few lines of code. Implement rate limiting, bot protection, email verification, and defense against common attacks. Native security for Bun, Next.js, Node.js, SvelteKit, Vercel, Netlify, Fly.io, and other modern platforms. Customizable protection for signup forms, login pages, API routes, and your whole app. Test security rules locally. Protection that works in every environment. No agent is required.
    Downloads: 1 This Week
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  • 4
    Cryptol

    Cryptol

    Cryptol: The Language of Cryptography

    ...Developed by Galois, Cryptol provides a high-level mathematical syntax for describing cryptographic primitives and enables formal verification of algorithm properties. It is used in academic, research, and defense sectors to validate correctness and security through symbolic execution and model checking, ensuring critical cryptographic code is free of design flaws.
    Downloads: 0 This Week
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  • 5
    Tower Building Game

    Tower Building Game

    HTML5 Canvas Tower Building Game

    Tower Building Game is a small game project — likely implementing a classic “tower defense” or “tower-based” game — designed to showcase game-development fundamentals such as rendering, game logic, user interaction, and possibly simple physics or animations. As an open-source repository, tower_game aims not only to deliver a playable game, but also to serve as a learning resource or template: developers can inspect its code, understand how game loops, input handling, asset management, and state updates are organized. ...
    Downloads: 15 This Week
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  • 6
    anti-distill

    anti-distill

    Anti-distillation for employee Skills

    ...It may also include experimental benchmarks to evaluate how resistant a model is to distillation attempts. Overall, anti-distill represents an emerging area of AI defense focused on safeguarding model behavior and preventing unauthorized replication.
    Downloads: 5 This Week
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  • 7
    Kata Containers

    Kata Containers

    Build a standard implementation of lightweight Virtual Machines (VMs)

    ...Kata Containers is an open source community working to build a secure container runtime with lightweight virtual machines that feel and perform like containers, but provide stronger workload isolation using hardware virtualization technology as a second layer of defense. Since launching in December 2017, the community successfully merged the best parts of Intel Clear Containers with Hyper.sh RunV and scaled to include support for major architectures including AMD64, ARM, IBM p-series, and IBM z-series in addition to x86_64. Kata Containers also supports multiple hypervisors including QEMU, Cloud-Hypervisor, and Firecracker, and integrates with the containerd project among others.
    Downloads: 13 This Week
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  • 8
    SafeLine

    SafeLine

    Serve as a reverse proxy to protect your web services from attacks

    SafeLine is a self-hosted WAF(Web Application Firewall) to protect your web apps from attacks and exploits. A web application firewall helps protect web apps by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web apps from attacks such as SQL injection, XSS, code injection, os command injection, CRLF injection, LDAP injection, XPath injection, RCE, XXE, SSRF, path traversal, backdoor, brute force, HTTP-flood, bot abuse, among others. By...
    Downloads: 2 This Week
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  • 9
    IronClaw

    IronClaw

    IronClaw is OpenClaw inspired but focused on privacy & security

    IronClaw is a security-first, open-source personal AI assistant built in Rust and designed to keep your data fully under your control. It operates on the principle that your AI should work for you, not external vendors, ensuring all data is stored locally, encrypted, and never shared. The platform emphasizes transparency, offering auditable code with no hidden telemetry or data harvesting. IronClaw runs untrusted tools inside isolated WebAssembly (WASM) sandboxes with strict capability-based...
    Downloads: 8 This Week
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  • 10
    Latte

    Latte

    The safest & truly intuitive templates for PHP

    ...It can modify the page, obtain sensitive information or even steal the user's identity. Templating systems fail to defend against XSS. Latte is the only system with an effective defense, thanks to context-sensitive escaping. Latte is based on PHP, whereas Twig is based on Python. A designer in Latte doesn't have to constantly switch between two different conventions. Stay in touch. The plugin for Tracy informs you on each page which templates and which variables are being rendered. Latte has native support in NetBeans and an excellent plugin for PhpStorm that suggests tags, filters and PHP code. ...
    Downloads: 0 This Week
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  • 11
    Apache APISIX

    Apache APISIX

    The cloud-native API gateway

    ...You can use Apache APISIX as a traffic entrance to process all business data, including dynamic routing, dynamic upstream, dynamic certificates, A/B testing, canary release, blue-green deployment, limit rate, defense against malicious attacks, metrics, monitoring alarms, service observability, service governance, etc.
    Downloads: 0 This Week
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  • 12
    UUSEC WAF

    UUSEC WAF

    AI and semantic technology Web Application Firewall

    UUSEC WAF Web Application Firewall is an industrial grade free, high-performance, and highly scalable web application and API security protection product that supports AI and semantic engines. It is a comprehensive website protection product launched by UUSEC Technology, which first realizes the three-layer defense function of traffic layer, system layer, and runtime layer.
    Downloads: 2 This Week
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  • 13
    Hardenwing OS

    Hardenwing OS

    Hardened Linux distribution based on Debian

    Hardenwing OS is a Debian-based Linux distribution focused on security. It adopts a multi-layered defense architecture against cyber attacks, incorporating aggressive mitigation techniques alongside kernel, system, and network hardening configurations. The distribution offers comprehensive security measures including BadUSB protection, permission hardening services, package manager hardening, module blacklisting, PAM and sudoers hardening.
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    Downloads: 25 This Week
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  • 14
    Hardened Slarpx

    Hardened Slarpx

    Experimental hardened Linux based on Xennytsu,Poison,Silencer engine

    WARNING: EXPERIMENTAL / UNSTABLE RESEARCH PROJECT. NOT INTENDED FOR DAILY USE. Hardened Slarpx is a Debian-based Linux distribution built with a strict security-first approach. It uses a multi-layered defense model with aggressive mitigations and extensive kernel-level hardening. Due to its highly restrictive firewall policy, anonymization tools and certain network protocols are intentionally unsupported. The distribution includes there custom runtime security modules: Poison , Xennytsu and Silencer. Beyond passive hardening, Slarpx focuses on active intervention, sabotage, and destruction of attack paths when necessary. ...
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    Downloads: 4 This Week
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  • 15

    hookprobe

    Free AI that blocks hackers while you sleep. Runs on cheap hardware

    ...It combines eBPF/XDP kernel-level packet filtering with machine learning threat classification to deliver autonomous network security with zero cloud dependency. The stack includes NAPSE (AI packet inspection), HYDRA (threat intelligence pipeline), SENTINEL (ML classification engine), and AEGIS (autonomous defense orchestrator). In production, a single Raspberry Pi 5 processes 11M+ security events, classifies 177K ML verdicts, and tracks 11,800+ attacker IPs — all autonomously. Key features: - 5-minute install on Raspberry Pi 5 or any Linux device - eBPF/XDP wire-speed packet filtering and DDoS mitigation - ML-based threat classification (benign/suspicious/malicious - Real-time QSecBit security posture scoring - Web dashboard with live threat visualization - Post-quantum cryptography (Kyber KEM) - Collective mesh defense across nodes
    Downloads: 0 This Week
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  • 16
    GpgFrontend

    GpgFrontend

    A Free, Easy-to-Use, Cross-Platform OpenPGP Crypto Tool.

    ...By using GpgFrontend, you can quickly encrypt and decrypt text or files. You can also digitally sign your text or files.GpgFrontend does not need to depend on any server, therefore it may be one of the last lines of defense in protecting your privacy. Please use this tool to transmit or store information that you regard as very precious. You can also use it to guarantee the authenticity of your information.
    Downloads: 11 This Week
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  • 17
    Mech Station Beta

    Mech Station Beta

    Mech Station Beta - Tower Defense like Game

    The mech platform floats through levels and progresses over time. It differs significantly from traditional Tower Defense or Survival games. One of the game's key features is the fine-tuned balance of hundreds of gameplay parameters, based on player-collected statistics. However, this feature is not yet fully implemented — it requires a server machine, which I currently don’t have due to personal circumstances. If anyone can provide a server machine or a service like Google Virtual Machine, it would be highly useful and greatly appreciated. ...
    Downloads: 0 This Week
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  • 18
    PimersusOS

    PimersusOS

    PimersusOS: Lightweight, fast and flexible Linux based on Debian 13.

    ...Unlike text-only minimal browsers, Pimersus handles heavy JavaScript and popular sites like Gmail, Outlook, YouTube, Facebook, and Amazon with stability. Pimersus Browser is powered by WebKit, the engine behind Safari and TV apps, and integrates advanced protections such as ad blocking, phishing defense, and anti-tracking features. This ensures a safe and fast experience, similar to browsing on iOS devices, while remaining lightweight. The ISO Password: ams User: casa or pimersus ⚠️ It is recommended to watch the entire video
    Downloads: 47 This Week
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  • 19
    Adaptive Intelligence

    Adaptive Intelligence

    Adaptive Intelligence also known as "Artificial General Intelligence"

    Adaptive Intelligence is the implementation of neural science, forensic psychology , behavioral science with machine-learning and artificial intelligence to provide advanced automated software platforms with the ability to adjust and thrive in dynamic environments by combining cognitive flexibility, emotional regulation, resilience, and practical problem-solving skills.
    Downloads: 4 This Week
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  • 20
    DaddyBlocker
    DaddyBlocker is a lightweight, C#-powered security tool designed to harden your Windows Firewall against global threats. It pulls real-time malicious IP feeds and country-specific ranges to create an ironclad defense, ensuring low-latency gaming and maximum privacy. Key Features Parallel Turbo Engine: Simultaneous multi-feed downloading for rapid deployment. Malicious C2 Blocking: Integrates high-frequency feeds including Romain Marcoux’s Full-AA set, Feodo Tracker, and Emerging Threats. Geo-Fencing: Block entire countries known for high-risk traffic with a single click. ...
    Downloads: 0 This Week
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  • 21
    SCADA-LTS

    SCADA-LTS

    A comprehensive Supervisory Control, Data Acquisition, and Execution

    ...Developed since 2015 on behalf of Abil'I.T. and supported by a global community, the project focuses on stability, security, and modernizing the codebase to meet the demands of industry, defense, and wide-area distributed
    Downloads: 25 This Week
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  • 22
    Rebuff

    Rebuff

    LLM Prompt Injection Detector

    A self-hardening prompt injection detector. Rebuff is designed to protect AI applications from prompt injection (PI) attacks through a multi-layered defense. Rebuff is still a prototype and cannot provide 100% protection against prompt injection attacks. Add canary tokens to prompts to detect leakages, allowing the framework to store embeddings about the incoming prompt in the vector database and prevent future attacks.
    Downloads: 0 This Week
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  • 23
    OpenDDS

    OpenDDS

    OpenDDS is open source publish/subscribe middleware

    ...Full product information, source code, documentation, build instructions, and license information are available from http://www.opendds.org. Commercial consulting, support, and training for OpenDDS are available. OpenDDS is in production use today by organizations in the Aerospace/Defense, Manufacturing/Fabrication, Home Automation, Finance, and other domains.
    Downloads: 0 This Week
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  • 24
    Open source Algol 68 implementations

    Open source Algol 68 implementations

    Implementations for the Revised Report language

    ...The project offers two implementations: Implementation 1 is Algol68G: a recent checkout hybrid compiler/interpreter by Marcel van der Veer, supporting arbitrary arithmetic, partial parametrisation, complex numbers, POSIX threads, GNU plotutils, GNU scientific library, curses, sound, TCP sockets, RegEx and PostgreSQL. Inplementation 2 is algol68toc, a port by Sian Mountbatten of the vintage Algol68RS (UK Defense Research Agency) compiler. The implementation emits C code.
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    Downloads: 5 This Week
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  • 25
    Udp2raw-tunnel

    Udp2raw-tunnel

    Turns UDP traffic into encrypted UDP/fakeTCP/ICMP traffic

    A tunnel which turns UDP traffic into encrypted fakeTCP/UDP/ICMP traffic by using Raw Socket, helps you bypass UDP FireWalls(or unstable UDP environment). When used alone, Udp2raw tunnels only UDP traffic. Nevertheless, if you used udp2raw + any UDP-based VPN together, you can tunnel any traffic(include TCP/UDP/ICMP), currently, OpenVPN/L2TP/ShadowVPN and tinyfecVPN are confirmed to be supported. Linux host (including desktop Linux,Android phone/tablet,OpenWRT router,or Raspberry PI) with...
    Downloads: 7 This Week
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