Project Summary
Jackson is a Streaming, Fast, Conformant, Open Source JSON processor (parser, generator, data binder).
Jackson supports all typical access methods to JSON content, including:
* Ultra-high performance streaming (incremental) parser
* Convenient Tree Model
* Fast Data binding to both basic Java List/Map/String/Boolean/Number structures but also full zero-configuration Java bean binding (or configurable binding to any POJOs) -- all with no pre-processing or bytecode injection
In a Nutshell, Jackson JSON processor...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 2 years of effort (COCOMO model)
starting with its first commit in December, 2011
ending with its most recent commit 1 day ago
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
MIT
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Use Patent Claims
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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use of OSS increased in 65% of companies in 2016
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compare projects before you chose one to use
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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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30 Day SummaryJan 24 2026 — Feb 23 2026
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12 Month SummaryFeb 23 2025 — Feb 23 2026
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