No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
unicorn has 1.5M monthly downloads and 9K GitHub stars. Version 2.1.4, first published in 2017.
It is stably maintained under a permissive license, last released in Sep 2025.
It is built on top of importlib-resources. It is used by 33 tracked packages, including pwntools, cape-parsers and speakeasy-emulator-refined.
GitHub topics include emulator, framework and cpu.
Package Insights
Package Risks
- No releases in 160 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
85
Adoption
60
Community
80
Provenance
0
How the maintenance status was determined
Last commit
139 days ago
Monthly downloads
1,490,535
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
1,490,535
Stars
9,133
Stars per 1k downloads
6.13
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
44,611
Month daily avg
49,684
Momentum
-10.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7
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
BSD 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
300 days ago
Total releases
28
Releases/year
2.9
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
264
Monthly downloads
1,490,535
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
86
Issue Burden
15.4
per 1k stars
Discussions
3.1
per 1k stars
Fork Ratio
17.5%
contrib / forks
Stale Release
160d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
39.8K
Windows
2.6K
macOS
585
Python Versions
3.13
51.1%
20.5K
3.12
18.7%
7.5K
3.8
13.4%
5.4K
3.11
10.8%
4.3K
3.10
6.0%
2.4K
Top Countries
1.
US
19.7K
US
2.
SG
17.2K
SG
3.
CN
2.4K
CN
4.
DK
1.3K
DK
5.
IN
1.1K
IN
6.
DE
650
DE
7.
VN
549
VN
8.
HK
544
HK
9.
NL
517
NL
10.
AU
495
AU
Dependencies
1
1 optional dependencies
- capstone[test]
Used By
33
- pwntools
- cape-parsers
- speakeasy-emulator-refined
- anisette
- unplayplay
- microtaint
- slothy
- udbserver
- chomper
- cemu
- androidemu
- arm-jupyter-kernel
- mseep-fastapi-mcp-sse
- phantomrt
- revizor-fuzzer
- nightmare-lib
- bobalkkagi
- fiit-py
- iflow-mcp-panz2018-starlette-mcp-sse
- revenge
- orange-fastapi-mcp-sse
- ucutils
- vbench2
- solid-node
- iflow-mcp-fastapi-mcp-sse
- donjon-rainbow
- arm-kernel
- pyunidbg
- ionq-bits
- mcp-emulate
- uv-dependencie-demo
- hunlic
- unlicense
Package Information
License
BSD License
First Release
January 8, 2017
Last Release
10 months ago
Last Commit
4 months ago
Latest Version
2.1.4
Total Releases
28
Contributors
264
Open PRs
57
Archived
No
Python Versions
2.7
3.7
3.8
3.9
3.10
3.11
3.12
3.13
Wheels
cp310
cp311
cp312
cp313
cp37
cp38
py2
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh