SaaSHub helps you find the best software and product alternatives Learn more →
Top 15 Python web-application Projects
-
system-design-primer
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
Project mention: 2026: The average developer's year disappears and the most will struggle | dev.to | 2025-11-27One of the best free resources for real engineering fundamentals. https://github.com/donnemartin/system-design-primer
-
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.
-
PayloadsAllTheThings
A list of useful payloads and bypass for Web Application Security and Pentest/CTF
if you've never worked on SQL injection that's fine there is a PWNSOME REPOSITORY(get it? pwn + awesome) called[ Payload All The Things (https://github.com/swisskyrepo/PayloadsAllTheThings) it has different payloads for different web vulnerabilities.
-
-
-
-
-
-
Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
-
-
django-email-signals
A Django app that allows users to dynamically send emails whenever there are some changes on some tables.
-
-
-
cacheblaster
A python tool to test for web cache poisoning denial of service (CPDoS) vulnerabilities.
-
-
Flask-Vault
Flask-Vault is a robust library that empowers Flask applications to securely store and manage sensitive credentials. It provides a set of CLI commands for storing secrets using AES-GCM symmetric encryption, ensuring that vital information like API keys and database credentials remain protected.
-
-
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 web-application discussion
Python web-application related posts
-
Irish-Name-Repo 2 - picoCTF '19 (web)
-
List of Useful Payloads and Bypass for Web Application Security and Pentest/CTF
-
PayloadsAllTheThings: Essential Payloads and Bypass for Web Security and CTFs
-
php shell not executed in wordpress
-
XXE-XML External Entities Attacks
-
Becoming a security researcher. Help with a realistic timeline?
-
Want to hack school laptop? Any tips or applications that I can download?
- A note from our sponsor - SaaSHub www.saashub.com | 24 Dec 2025
Index
What are some of the best open-source web-application projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | system-design-primer | 329,920 |
| 2 | PayloadsAllTheThings | 72,873 |
| 3 | Scrummage | 528 |
| 4 | RELATE | 422 |
| 5 | hydralit | 217 |
| 6 | stock_screener | 139 |
| 7 | sierra | 91 |
| 8 | mqtt-panel | 45 |
| 9 | django-email-signals | 21 |
| 10 | AutoWiki | 21 |
| 11 | dazzler | 19 |
| 12 | cacheblaster | 14 |
| 13 | ScoreCast | 13 |
| 14 | Flask-Vault | 10 |
| 15 | msgr | 1 |
Sponsored
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.
www.influxdata.com