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Top 23 Python SSL Projects
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mitmproxy
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Project mention: Tracking outbound API calls from your application: why, what worked (and what didn’t) | dev.to | 2025-09-01We used mitmproxy. It’s lightweight, easy to run, and gives a clean log of every outbound request.
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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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websockify
Websockify is a WebSocket to TCP proxy/bridge. This allows a browser to connect to any application/server/service.
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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: WordOps: Install/manage a high performance WordPress stack with a few keystrokes | news.ycombinator.com | 2024-10-05
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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SparK
[ICLR'23 Spotlight🔥] The first successful BERT/MAE-style pretraining on any convolutional network; Pytorch impl. of "Designing BERT for Convolutional Networks: Sparse and Hierarchical Masked Modeling" (by keyu-tian)
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pyOpenSSL -- A Python wrapper around the OpenSSL library
A Python wrapper around the OpenSSL library
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MicroWebSrv2
The last Micro Web Server for IoTs (MicroPython) or large servers (CPython), that supports WebSockets, routes, template engine and with really optimized architecture (mem allocations, async I/Os). Ready for ESP32, STM32 on Pyboard, Pycom's chipsets (WiPy, LoPy, ...). Robust, efficient and documented!
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dnsrobocert
Orchestrate Certbot and Lexicon together to provide Let's Encrypt TLS certificates validated by DNS challenges
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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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Substr3am
Passive reconnaissance/enumeration of interesting targets by watching for SSL certificates being issued
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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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proxy_web_crawler
Automates the process of repeatedly searching for a website via scraped proxy IP and search keywords
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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 SSL discussion
Python SSL related posts
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I was wrong about robots.txt
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SSLyze – SSL configuration scanning library and CLI tool
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Death of DevSecOps, Part 3
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Terrapin-Scanner VS CryptoLyzer - a user suggested alternative
2 projects | 14 Jan 2024 -
mitmproxy VS petep - a user suggested alternative
2 projects | 3 Oct 2023 -
Learn and Test DMARC
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Curl-impersonate: Mimic real browsers' TLS handshake with curl
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source SSL projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | mitmproxy | 40,303 |
| 2 | Twisted | 5,845 |
| 3 | curl-impersonate | 5,425 |
| 4 | websockify | 4,199 |
| 5 | sslyze | 3,659 |
| 6 | lemur | 1,753 |
| 7 | WordOps | 1,466 |
| 8 | SparK | 1,350 |
| 9 | pyOpenSSL -- A Python wrapper around the OpenSSL library | 915 |
| 10 | MicroWebSrv2 | 685 |
| 11 | Loki | 609 |
| 12 | trustme | 593 |
| 13 | dnsrobocert | 564 |
| 14 | acme-nginx | 326 |
| 15 | Mocket | 297 |
| 16 | ssl-checker | 282 |
| 17 | MITM_Intercept | 212 |
| 18 | dheater | 199 |
| 19 | showcert | 102 |
| 20 | cryptonice | 101 |
| 21 | Substr3am | 68 |
| 22 | stable-diffusion-webui-auto-tls-https | 62 |
| 23 | proxy_web_crawler | 45 |
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