No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
cocotb has 437K monthly downloads and 2K GitHub stars. Version 2.0.1 supports Python 3.6.2+, first published in 2018.
It is actively maintained under a permissive license, last released in Nov 2025.
It is built on top of find-libpython. It is used by 52 tracked packages, including cocotb-bus, cocotb-coverage and pyuvm.
GitHub topics include vhdl, verilog and uvm.
Package Insights
Package Risks
- No releases in 231 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
75
Adoption
76
Community
90
Provenance
100
How the maintenance status was determined
Last commit
2 days ago
Monthly downloads
436,967
•
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
436,967
Stars
2,430
Stars per 1k downloads
5.56
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
14,838
Month daily avg
14,566
Momentum
+1.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.6.2
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-3-Clause
•
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
233 days ago
Total releases
46
Releases/year
6.0
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
187
Monthly downloads
436,967
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
100
Issue Burden
145.7
per 1k stars
Discussions
114.0
per 1k stars
Fork Ratio
28.6%
contrib / forks
Stale Release
231d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
4.9K
Windows
56
macOS
40
Python Versions
3.12
41.5%
1.9K
3.11
27.4%
1.3K
3.9
20.0%
937
3.13
8.1%
378
3.6
3.1%
147
Top Countries
1.
US
4.5K
US
2.
CN
675
CN
3.
GB
280
GB
4.
SG
253
SG
5.
CH
166
CH
6.
IN
51
IN
7.
MY
48
MY
8.
CA
42
CA
9.
DE
41
DE
10.
AU
37
AU
Dependencies
1
Used By
52
- cocotb-bus
- cocotb-coverage
- pyuvm
- cocotb-test
- cocotbext-axi
- cocotbext-uart
- cocotbext-eth
- cocotb-tools
- cocotbext-pcie
- cocotbext-i2c
- fpga-verification
- cocotbext-spi
- cocotbext-ahb
- routertl
- elasticai-creator
- cocotb-framework
- avl-core
- cocotbext-umi
- sphinx-doc
- caravel-cocotb
- cocotbext-interface
- cocotbext-wishbone
- sc-cxxrtl
- cocotbext-hyperbus
- autombist
- pytest-cocotb
- cocotb-kernel
- cocotbext-ams
- cocotbext-waves
- slvcodec
- cocotbext-vidio
- cocotbpynq
- cocotb-yaml-runner
- cocotbext-mipi-csi2
- coconext
- cocotb-amba
- uvm-python
- cocotbext-interfaces
- cocotb-vivado
- forastero
- gg-fpga
- dv-flow-libcocotb
- pytest-cocotb-pyuvm
- pytest-cocotb-fusesoc
- pytest-cocotb-cov
- cohdl-sim
- mase-tools
- ttwhy
- cocoregman
- bicsdifftest
Package Information
License
BSD-3-Clause
First Release
November 15, 2018
Last Release
7 months ago
Last Commit
2 days ago
Latest Version
2.0.1
Total Releases
46
Contributors
187
Open PRs
65
Archived
No
Author
Chris Higgs, Stuart Hodgson
Python Versions
3
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
Wheels
cp310
cp311
cp312
cp313
cp37
cp38
cp39
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh