Analyzed
12 days
ago.
based on code collected
14 days
ago.
Project Summary
Leo is...
- A premier Integrated Development Environment, fully scriptable using Python.
- An outline-oriented, flexible filing cabinet holding any kind of data: including programs, web sites, text documents of all kinds, music, graphics and movies.
- The premier platform for creating, generating, studying, scripting, testing, and validating computer programs, web sites and any other complex data.
- A rendering engine for reStructuredText, web pages and svg graphics.
- A music and movie player.
- A sophisticated PyQt app running on Windows and Linux.
- 100% pure Python, running on Python 2.6 and above, including Python 3.x.
- Open Software, distributed under the MIT License.
In a Nutshell, The Leo Editor...
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has a well established, mature codebase
maintained by a large development team
with decreasing Y-O-Y commits -
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took an estimated 437 years of effort (COCOMO model)
starting with its first commit in March, 2000
ending with its most recent commit 4 months ago
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Poor security track-record
Favorable security track-record
Vulnerability Exposure Index
Many reported vulnerabilities
Few reported vulnerabilities
Did You Know...
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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you can embed statistics from Open Hub on your site
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use of OSS increased in 65% of companies in 2016
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30 Day SummaryJan 5 2026 — Feb 4 2026
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12 Month SummaryFeb 4 2025 — Feb 4 2026
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