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Top 23 Python TLS Projects
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mitmproxy
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
HTTP proxies like mitmproxy can intercept and export traffic as HAR
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InfluxDB
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There are tools like curl-impersonate: https://github.com/lwthiker/curl-impersonate out there that allow you to pretend to be any browser you like. Might take a bit of trial and error, but this mechanism could be bypassed with some persistence in identifying what is it that the resource is trying to block.
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Project mention: SSLyze – SSL configuration scanning library and CLI tool | news.ycombinator.com | 2025-04-01
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Project mention: Aioquic: QUIC and HTTP/3 implementation in Python | news.ycombinator.com | 2024-10-04
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pyOpenSSL -- A Python wrapper around the OpenSSL library
A Python wrapper around the OpenSSL library
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libresbc
An open source Session Border Controller 🌟 The SBC you dream about 🗽 LibreSBC will help you save thousands of dollars.
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Project mention: LetsEncrypt – Expiration Notification Service Has Ended | news.ycombinator.com | 2025-06-30
> https://github.com/jgaa/openvalify
I don't begrudge people writing a tool to learn, but it should be noted that this wheel has already been invented:
* https://github.com/matteocorti/check_ssl_cert
* https://exchange.nagios.org/directory/Plugins/Security/check...
* https://github.com/narbehaj/ssl-checker
* https://github.com/Matty9191/ssl-cert-check
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MITM_Intercept
A little bit less hackish way to intercept and modify non-HTTP protocols through Burp & others.
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dheater
D(HE)ater is a proof of concept implementation of the D(HE)at attack (CVE-2002-20001) through which denial-of-service can be performed by enforcing the Diffie-Hellman key exchange. (read-only clone of the original GitLab project)
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cryptonice
CryptoNice is both a command line tool and library which provides the ability to scan and report on the configuration of SSL/TLS for your internet or internal facing web services. Built using the sslyze API and ssl, http-client and dns libraries, cryptonice collects data on a given domain and performs a series of tests to check TLS configuration and supporting protocols such as HTTP2 and DNS.
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tls-requests
TLS Requests is a powerful Python library for secure HTTP requests, offering browser-like TLS client, fingerprinting, anti-bot page bypass, and high performance.
Project mention: Must Try Open-Source Python TLS Requests: Simplify Web Scraping, Bypass Cloudflare 403 Forbidden (WAF) | dev.to | 2024-12-13Modern websites increasingly use TLS Fingerprinting and anti-bot tools like Cloudflare Bot Fight Mode to block web crawlers. TLS Requests bypass these obstacles by mimicking browser-like TLS behaviors, making it easy to scrape data or interact with websites that use sophisticated anti-bot measures.
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stable-diffusion-webui-auto-tls-https
An extension for AUTOMATIC1111's Stable Diffusion Web-UI that enables easy or zero-conf TLS for HTTPS
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tlsassistant
An open-source modular framework capable of identifying a wide range of TLS vulnerabilities and assessing compliance with multiple guidelines. Its actionable report can assist the user in correctly and easily fixing their configurations.
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OCSPChecker
OCSPChecker provides an automated means to check the OCSP revocation status for a x509 digital certificate.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Python TLS discussion
Python TLS related posts
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Watching HTTP Traffic from n8n with mitmproxy
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eInk Mode: Making Web Pages Easier to Read
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colander VS mitmproxy - a user suggested alternative
2 projects | 28 Mar 2025 -
I turned GitHub Copilot into OpenAI API compatible provider
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How I automated my fitness goals
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Reverse engineering GraphQL persistedQuery extension
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Aioquic: QUIC and HTTP/3 implementation in Python
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source TLS projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | mitmproxy | 40,303 |
| 2 | Twisted | 5,845 |
| 3 | curl-impersonate | 5,425 |
| 4 | sslyze | 3,659 |
| 5 | aioquic | 1,864 |
| 6 | lemur | 1,753 |
| 7 | hrequests | 919 |
| 8 | pyOpenSSL -- A Python wrapper around the OpenSSL library | 915 |
| 9 | Python-Tls-Client | 784 |
| 10 | trustme | 593 |
| 11 | libresbc | 424 |
| 12 | ssl-checker | 282 |
| 13 | MITM_Intercept | 212 |
| 14 | truststore | 200 |
| 15 | dheater | 199 |
| 16 | Internet.nl | 197 |
| 17 | showcert | 102 |
| 18 | cryptonice | 101 |
| 19 | what-vpn | 87 |
| 20 | tls-requests | 76 |
| 21 | stable-diffusion-webui-auto-tls-https | 62 |
| 22 | tlsassistant | 48 |
| 23 | OCSPChecker | 41 |
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