No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
opentimelineio has 126K monthly downloads and 2K GitHub stars. Version 0.18.1 supports Python >3.9.0, first published in 2018.
It is actively maintained under a permissive license, last released in Nov 2025.
It is used by 40 tracked packages, including otio-fcp-adapter, otio-aaf-adapter and otio-cmx3600-adapter.
GitHub topics include editorial, timeline and interchange-format.
Package Insights
Package Risks
- No releases in 226 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
71
Adoption
60
Community
70
Provenance
0
How the maintenance status was determined
Last commit
13 days ago
Monthly downloads
125,728
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
125,728
Stars
1,911
Stars per 1k downloads
15.20
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
•
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
3,867
Month daily avg
4,191
Momentum
-7.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>3.9.0
Cutting Edge
Minimum supported version is 3.12 or newer
•
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Apache 2.0 License
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
240 days ago
Total releases
17
Releases/year
2.1
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
94
Monthly downloads
125,728
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
88
Issue Burden
94.7
per 1k stars
Discussions
20.4
per 1k stars
Fork Ratio
28.1%
contrib / forks
Stale Release
226d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
1.5K
Windows
94
macOS
92
Python Versions
3.12
51.7%
873
3.11
28.3%
477
3.10
12.3%
208
3.13
6.3%
106
3.9
1.4%
24
Top Countries
1.
US
1.5K
US
2.
SG
41
SG
3.
NL
23
NL
4.
JP
15
JP
5.
DE
11
DE
6.
CA
10
CA
7.
IN
10
IN
8.
GB
9
GB
9.
CN
6
CN
10.
NZ
6
NZ
Dependencies
0
4 optional dependencies
- check-manifest[dev]
- coverage[dev]
- flake8[dev]
- urllib3[dev]
Used By
40
- otio-fcp-adapter
- otio-aaf-adapter
- otio-cmx3600-adapter
- otio-fcpx-xml-adapter
- otio-ale-adapter
- opentimelineio-plugins
- otio-xges-adapter
- otio-maya-sequencer-adapter
- otio-svg-adapter
- otio-burnins-adapter
- zou
- clipwright-render
- otio-hls-playlist-adapter
- clipwright
- clipwright-transcribe
- clipwright-silence
- clipwright-frames
- otio-fcpx-xml-lite-adapter
- video-editor-mcp
- clipwright-scene
- clipwright-overlay
- clipwright-text
- clipwright-speed
- clipwright-trim
- clipwright-sequence
- otio-kdenlive-adapter
- clipwright-transition
- resolve-mcp
- sg-otio
- resolve-assistant
- iflow-mcp-video-editor-mcp
- otio-music-arrangement
- py-edl-editor
- video-editor-mcp-fastmcp
- localstudio
- studiopulsee
- production-lan
- studio-lan
- studiopulse-lan
- studiolan
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache 2.0 License
First Release
April 13, 2018
Last Release
8 months ago
Last Commit
2 weeks ago
Latest Version
0.18.1
Total Releases
17
Contributors
94
Open PRs
33
Archived
No
Author
Contributors to the OpenTimelineIO project
Python Versions
3
3.9
3.10
3.11
3.12
3.13
Wheels
cp310
cp311
cp312
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh