Life & fun · alternatives · 2026

24 alternatives to ByteCTF

A Begginer Friendly CTF Platform For Hackers

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   CTFGuide▲79

   CTFGuide provides tools to teach and learn cybersecurity

   2021 · ctfguide.com · its alternatives →

2. 2
   playCTF▲6

   A Jeopardy style CTF creation and management platform

   2022 · its alternatives →

3. 3HC
   Hackchain – Continuous Bitcoin-Inspired CTF Competition▲83

   2016 · hackcha.in · its alternatives →

4. 4BA
   Byte Arena – Code Your Fighter Bot▲179

   2017 · doc.bytearena.com · its alternatives →

5. 5HC
   Hackershelf. Community curated collection of legally free books▲532

   2012 · hackershelf.com · its alternatives →

6. 6
   ByteNite▲206

   Hi HN, I’m one of the creators of ByteNite (https://bytenite.com). We built it for developers running compute-heavy containerized workloads (AI, ETL, batch jobs) who are frustrated with the limitations of traditional serverless platforms: timeouts, cold starts, orchestration complexity, and limited runtime control. ByteNite is a serverless platform that lets you submit distributed jobs packaged as Docker containers. You define simple or complex fan-out/fan-in logic, set your hardware requirements, and we handle the rest—distributing execution across warm cloud runners (CPUs,…

   2025 · docs.bytenite.com · its alternatives →

7. 7
   dif.sh▲373

   Markdown feature flags your coding agent installs for you

   Aug 2026 · dif.sh · its alternatives →

8. 8
   ByteNite▲76

   Distributed computing

   2023 · bytenite.com · its alternatives →

9. 9BS
   Backdoor – Security CTF Platform▲12

   2015 · backdoor.sdslabs.co · its alternatives →

10. 10
    CSEM CTF▲11

    Cyber Security Learning Make Easy

    2025 · csem.sturtles.in · its alternatives →

11. 11
    Hacktivate▲139

    A capture-the-flag game teaching real cybersecurity skills

    Oct 2025 · apps.apple.com · its alternatives →

12. 12
    A proof-of-concept FoundationDB based network block device backend▲192

    A totally proof-of-concept FoundationDB based network block device backend - dividuum/fdb-nbd

    2018 · github.com · its alternatives →

13. 13
    Bytecrowds▲55

    an easy to use code sharing platform with minimalist design

    2023 · its alternatives →

14. 14CH
    Code.hackmit.org – Software for Hackathons▲140

    2016 · code.hackmit.org · its alternatives →

15. 15
    ByteConn▲64

    Simple inventory management solution for your small business

    2020 · byteconn.com · its alternatives →

16. 16
    BinaryRPC – Lightweight WebSocket-based RPC framework in modern C++▲78

    Hi HN, I’m a recent CS graduate. During the past few months I wrote BinaryRPC, an open-source RPC framework in modern C++20 focused on low-latency, binary WebSocket messaging. Why I built it * Wanted first-class session support, pluggable QoS levels and a simple middleware chain (global, specific, multi handler) without extra JSON/XML parsing. * Easy developer experience A quick feature list * Binary WebSocket frames – minimal overhead * Built-in session layer (login / reconnect / heartbeat) * QoS1 / QoS2 with automatic ACK & retry * Plugin system – rooms, msgpack, etc.…

    2025 · github.com · its alternatives →

17. 17
    Smart Contract Security CTF (Capture the Flag) on the Ropsten Testnet▲6

    2018 · blockchain-ctf.securityinnovation.com · its alternatives →

18. 18
    Byte - Crypto price tracker▲66

    Realtime crypto tracker for everyone

    2019 · its alternatives →

19. 19
    Hackpad▲114

    The simplest way to organize and share knowledge

    2014 · its alternatives →

20. 20
    A microservice framework, listed in CNCF Landscape, 1 year 10k+ stars▲65

    A cloud-native Go microservices framework with cli tool for productivity. - zeromicro/go-zero

    2021 · github.com · its alternatives →

21. 21
    bef – a tool that encodes/decodes interleaved erasure coded streams▲59

    Block Erasure Format - An extensible, fast, and usable file utility to encode and decode interleaved erasure coded streams of data. - gbletr42/bef

    2024 · github.com · its alternatives →

22. 22
    ByteArray.js – A binary library for JavaScript▲36

    2018 · github.com · its alternatives →

23. 23
    Simulations Labs▲25

    Easiest Platform to Launch Cybersecurity Simulations

    Dec 2025 · simulationslabs.com · its alternatives →

24. 24
    TryHackMe▲4

    Learn Cyber Security Easily from the cloud! How to Hack.

    2018 · tryhackme.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →