PyRank
daggaz

json-stream

Simple streaming JSON parser and encoder.
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

json-stream has 1.5M monthly downloads and 189 GitHub stars. Version 2.5.1 supports Python <4,>=3.5, first published in 2020.

It is stably maintained under a permissive license, last released in Apr 2026.

It is built on top of json-stream-rs-tokenizer. It is used by 29 tracked packages, including sqlmesh, pulpcore and darwin-py.

GitHub topics include json, json-parser and parser.

Downloads
Day
39.9K
Week
329.7K
Month
1.5M
Stars
189
Forks
18
Issues
8
Version
2.5.1

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
44
Adoption
70
Community
25
Provenance
100
How the maintenance status was determined
Last commit
70 days ago
Monthly downloads
1,458,133
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
1,458,133
Stars
189
Stars per 1k downloads
0.13
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
47,095
Month daily avg
48,604
Momentum
-3.1%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
<4,>=3.5
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
MIT 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
70 days ago
Total releases
30
Releases/year
5.3
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
8
Monthly downloads
1,458,133
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
43
 
Issue Burden
42.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
44.4%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 27.1K
macOS 51
Windows 47

Python Versions

3.12
63.3% 15.9K
3.11
14.3% 3.6K
3.10
11.2% 2.8K
3.9
6.1% 1.5K
3.13
5.2% 1.3K

Top Countries

1. US US
24.2K
2. IN IN
784
3. DE DE
534
4. NL NL
476
5. BE BE
473
6. SG SG
197
7. SE SE
186
8. IE IE
87
9. HK HK
53
10. GB GB
47
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
MIT License
First Release
November 9, 2020
Last Release
2 months ago
Last Commit
2 months ago
Latest Version
2.5.1
Total Releases
30
Contributors
8
Open PRs
6
Archived
No
Python Versions
3.8 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py3
Keywords
json stream decoder encoder parsing
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links