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Willow
Willow

2
7
+ 1
0
Zap
Zap

7
23
+ 1
0
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Willow vs Zap: What are the differences?

Developers describe Willow as "A powerful, yet lightweight logging library written in Swift, by Nike". Willow is a powerful, yet lightweight logging library written in Swift. On the other hand, Zap is detailed as "Blazing fast, structured, leveled logging in Go (by Uber)". Zap takes a different approach. It includes a reflection-free, zero-allocation JSON encoder, and the base Logger strives to avoid serialization overhead and allocations wherever possible. By building the high-level SugaredLogger on that foundation, zap lets users choose when they need to count every allocation and when they'd prefer a more familiar, loosely typed API.

Willow and Zap can be categorized as "Logging" tools.

Willow and Zap are both open source tools. Zap with 7.22K GitHub stars and 553 forks on GitHub appears to be more popular than Willow with 1.13K GitHub stars and 61 GitHub forks.

What is Willow?

Willow is a powerful, yet lightweight logging library written in Swift.

What is Zap?

Zap takes a different approach. It includes a reflection-free, zero-allocation JSON encoder, and the base Logger strives to avoid serialization overhead and allocations wherever possible. By building the high-level SugaredLogger on that foundation, zap lets users choose when they need to count every allocation and when they'd prefer a more familiar, loosely typed API.
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            What are some alternatives to Willow and Zap?
            Loki
            Loki is a horizontally-scalable, highly-available, multi-tenant log aggregation system inspired by Prometheus. It is designed to be very cost effective and easy to operate, as it does not index the contents of the logs, but rather a set of labels for each log stream.
            Log4j
            It is an open source logging framework. With this tool – logging behavior can be controlled by editing a configuration file only without touching the application binary and can be used to store the Selenium Automation flow logs.
            Seq
            Seq is a self-hosted server for structured log search, analysis, and alerting. It can be hosted on Windows or Linux/Docker, and has integrations for most popular structured logging libraries.
            CocoaLumberjack
            CocoaLumberjack is a fast & simple, yet powerful & flexible logging framework for Mac and iOS.
            uno
            We built uno, a small tool similar to uniq (the UNIX CLI tool that removes duplicates) - but with fuzziness. uno considers two lines to be equal if their edit distance is less than a specified threshold, by default set to 30%. It reads from stdin and prints the deduplicated lines to stdout.
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