glg alternatives and similar packages

Based on the "Logging" category.
Alternatively, view glg alternatives based on common mentions on social networks and blogs.

logrus

9.9 4.4 glg VS logrus

Structured, pluggable logging for Go.
zap

9.8 7.5 glg VS zap

Blazing fast, structured, leveled logging in Go.

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zerolog

9.4 7.2 glg VS zerolog

Zero Allocation JSON Logger
spew

9.2 0.0 glg VS spew

Implements a deep pretty printer for Go data structures to aid in debugging
glog

9.1 0.0 glg VS glog

Leveled execution logs for Go
lumberjack

9.0 0.0 glg VS lumberjack

lumberjack is a log rolling package for Go
tail

8.7 0.0 glg VS tail

Go package for reading from continously updated files (tail -f)
seelog

8.3 0.0 glg VS seelog

Seelog is a native Go logging library that provides flexible asynchronous dispatching, filtering, and formatting.
log

7.8 0.0 glg VS log

Structured logging package for Go.
log15

7.7 0.0 glg VS log15

Structured, composable logging for Go
logutils

7.5 0.0 glg VS logutils

Utilities for slightly better logging in Go (Golang).
phuslu/log

6.5 7.7 glg VS phuslu/log

High performance structured logging
logxi

6.2 0.0 glg VS logxi

A 12-factor app logger built for performance and happy development
Onelog

6.2 0.0 glg VS Onelog

Dead simple, super fast, zero allocation logger for Golang
go-logger

6.0 0.0 glg VS go-logger

Simple logger for Go programs. Allows custom formats for messages.
rollingwriter

5.7 2.3 glg VS rollingwriter

Rolling writer is an IO util for auto rolling write in go.
loggo

5.6 0.0 glg VS loggo

A logging library for Go. Doesn't use the built in go log standard library, but instead offers a replacement.
httpretty

5.6 5.3 glg VS httpretty

Package httpretty prints the HTTP requests you make with Go pretty on your terminal.
logrusiowriter

5.5 0.0 glg VS logrusiowriter

io.Writer implementation using logrus logger
sqldb-logger

5.5 0.0 glg VS sqldb-logger

A logger for Go SQL database driver without modifying existing *sql.DB stdlib usage.
ozzo-log

5.1 0.0 glg VS ozzo-log

A Go (golang) package providing high-performance asynchronous logging, message filtering by severity and category, and multiple message targets.
logger

5.0 1.1 glg VS logger

Minimalistic logging library for Go.
logur

4.9 0.4 glg VS logur

Logur is an opinionated collection of logging best practices
xlog

4.8 0.0 glg VS xlog

xlog is a logger for net/context aware HTTP applications
log-voyage

4.3 0.0 glg VS log-voyage

LogVoyage - logging SaaS written in GoLang
logex

3.5 1.3 glg VS logex

An golang log lib, supports tracking and level, wrap by standard log lib
go-log

3.4 0.0 glg VS go-log

a golang log lib supports level and multi handlers
logrusly

3.3 0.0 glg VS logrusly

Loggly Hooks for GO Logrus logger
gologger

3.3 0.0 glg VS gologger

Simple easy to use log lib for go, logs in Colored Cosole, Simple Console, File or Elasticsearch.
noodlog

3.2 1.9 glg VS noodlog

🍜 Parametrized JSON logging library in Golang which lets you obfuscate sensitive data and marshal any kind of content.
go-cronowriter

3.1 0.0 glg VS go-cronowriter

Time based rotating file writer
mlog

3.1 0.0 glg VS mlog

A simple logging module for go, with a rotating file feature and console logging.
stdlog

3.1 0.0 glg VS stdlog

Logging packages for Go
distillog

2.6 0.0 glg VS distillog

Logging, distilled
journald

2.3 0.0 glg VS journald

Go implementation of systemd Journal's native API for logging
slf

2.3 1.4 glg VS slf

The Structured Logging Facade (SLF) for Go (like SLF4J but structured and for Go)
Kiwi Logs&Context

2.1 0.0 glg VS Kiwi Logs&Context

Fast, structured, with filters and dynamic sinks. No levels. Logger & context keeper for Go language 🥝 It smell like a mushroom.
logmatic

1.9 0.0 glg VS logmatic

Colorized logger for Golang with dynamic log level configuration
slog

1.8 2.1 glg VS slog

The reference implementation of the Structured Logging Facade (SLF) for Go
gomol

1.7 0.0 glg VS gomol

Gomol is a library for structured, multiple-output logging for Go with extensible logging outputs
zkits-logger

1.5 3.3 glg VS zkits-logger

A powerful zero-dependency json logger.
logdump

1.4 0.0 glg VS logdump

Package for multi-level logging
logo

1.3 0.0 glg VS logo

Golang logger to different configurable writers.
glo

1.3 0.0 glg VS glo

Logging library for Golang
kemba

1.0 5.7 glg VS kemba

A tiny debug logging tool. Ideal for CLI tools and command applications. Inspired by https://github.com/visionmedia/debug
go-rethinklogger

0.7 2.0 glg VS go-rethinklogger

Automatically persists all the logs of your Go application inside RethinkDB.
MrZ's go-logger

0.6 0.0 glg VS MrZ's go-logger

:mag: Easy to use, extendable and super fast logging package for Go
structy/log

0.4 3.6 glg VS structy/log

A simple to use log system, minimalist but with features for debugging and differentiation of messages
slf4g

0.4 4.2 glg VS slf4g

Simple Logging Facade for Golang
yell

0.4 1.6 glg VS yell

:ledger: Yet another minimalist logging library

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README

glg is simple golang logging library

Requirement

Go 1.16

Installation

go get github.com/kpango/glg

Example

package main

import (
    "net/http"
    "time"

    "github.com/kpango/glg"
)

// NetWorkLogger sample network logger
type NetWorkLogger struct{}

func (n NetWorkLogger) Write(b []byte) (int, error) {
    // http.Post("localhost:8080/log", "", bytes.NewReader(b))
    http.Get("http://127.0.0.1:8080/log")
    glg.Success("Requested")
    glg.Infof("RawString is %s", glg.RawString(b))
    return 1, nil
}

func main() {

    // var errWriter io.Writer
    // var customWriter io.Writer
    infolog := glg.FileWriter("/tmp/info.log", 0666)

    customTag := "FINE"
    customErrTag := "CRIT"

    errlog := glg.FileWriter("/tmp/error.log", 0666)
    defer infolog.Close()
    defer errlog.Close()

    glg.Get().
        SetMode(glg.BOTH). // default is STD
        // DisableColor().
        // SetMode(glg.NONE).
        // SetMode(glg.WRITER).
        // SetMode(glg.BOTH).
        // InitWriter().
        // AddWriter(customWriter).
        // SetWriter(customWriter).
        // AddLevelWriter(glg.LOG, customWriter).
        // AddLevelWriter(glg.INFO, customWriter).
        // AddLevelWriter(glg.WARN, customWriter).
        // AddLevelWriter(glg.ERR, customWriter).
        // SetLevelWriter(glg.LOG, customWriter).
        // SetLevelWriter(glg.INFO, customWriter).
        // SetLevelWriter(glg.WARN, customWriter).
        // SetLevelWriter(glg.ERR, customWriter).
        // EnableJSON().
        SetLineTraceMode(glg.TraceLineNone).
        AddLevelWriter(glg.INFO, infolog). // add info log file destination
        AddLevelWriter(glg.ERR, errlog).   // add error log file destination
        AddLevelWriter(glg.WARN, rotate)   // add error log file destination

    glg.Info("info")
    glg.Infof("%s : %s", "info", "formatted")
    glg.Log("log")
    glg.Logf("%s : %s", "info", "formatted")
    glg.Debug("debug")
    glg.Debugf("%s : %s", "info", "formatted")
    glg.Trace("Trace")
    glg.Tracef("%s : %s", "tracef", "formatted")
    glg.Warn("warn")
    glg.Warnf("%s : %s", "info", "formatted")
    glg.Error("error")
    glg.Errorf("%s : %s", "info", "formatted")
    glg.Success("ok")
    glg.Successf("%s : %s", "info", "formatted")
    glg.Fail("fail")
    glg.Failf("%s : %s", "info", "formatted")
    glg.Print("Print")
    glg.Println("Println")
    glg.Printf("%s : %s", "printf", "formatted")

    // set global log level to ERR level
    glg.Info("before setting level to ERR this message will show")
    glg.Get().SetLevel(glg.ERR)
    glg.Info("after setting level to ERR this message will not show")
    glg.Error("this log is ERR level this will show")
    glg.Get().SetLevel(glg.DEBG)
    glg.Info("log level is now DEBG, this INFO level log will show")

    glg.Get().
        AddStdLevel(customTag, glg.STD, false).                    // user custom log level
        AddErrLevel(customErrTag, glg.STD, true).                  // user custom error log level
        SetLevelColor(glg.TagStringToLevel(customTag), glg.Cyan).  // set color output to user custom level
        SetLevelColor(glg.TagStringToLevel(customErrTag), glg.Red) // set color output to user custom level
    glg.CustomLog(customTag, "custom logging")
    glg.CustomLog(customErrTag, "custom error logging")

    // glg.Info("kpango's glg supports disable timestamp for logging")
    glg.Get().DisableTimestamp()
    glg.Info("timestamp disabled")
    glg.Warn("timestamp disabled")
    glg.Log("timestamp disabled")
    glg.Get().EnableTimestamp()
    glg.Info("timestamp enabled")
    glg.Warn("timestamp enabled")
    glg.Log("timestamp enabled")

    glg.Info("kpango's glg support line trace logging")
    glg.Error("error log shows short line trace by default")
    glg.Info("error log shows none trace by default")
    glg.Get().SetLineTraceMode(glg.TraceLineShort)
    glg.Error("after configure TraceLineShort, error log shows short line trace")
    glg.Info("after configure TraceLineShort, info log shows short line trace")
    glg.Get().DisableTimestamp()
    glg.Error("after configure TraceLineShort and DisableTimestamp, error log shows short line trace without timestamp")
    glg.Info("after configure TraceLineShort and DisableTimestamp, info log shows short line trace without timestamp")
    glg.Get().EnableTimestamp()
    glg.Get().SetLineTraceMode(glg.TraceLineLong)
    glg.Error("after configure TraceLineLong, error log shows long line trace")
    glg.Info("after configure TraceLineLong, info log shows long line trace")
    glg.Get().DisableTimestamp()
    glg.Error("after configure TraceLineLong and DisableTimestamp, error log shows long line trace without timestamp")
    glg.Info("after configure TraceLineLong and DisableTimestamp, info log shows long line trace without timestamp")
    glg.Get().EnableTimestamp()
    glg.Get().SetLineTraceMode(glg.TraceLineNone)
    glg.Error("after configure TraceLineNone, error log without line trace")
    glg.Info("after configure TraceLineNone, info log without line trace")
    glg.Get().SetLevelLineTraceMode(glg.INFO, glg.TraceLineLong)
    glg.Info("after configure Level trace INFO=TraceLineLong, only info log shows long line trace")
    glg.Error("after configure Level trace INFO=TraceLineLong, error log without long line trace")
    glg.Get().SetLevelLineTraceMode(glg.ERR, glg.TraceLineShort)
    glg.Info("after configure Level trace ERR=TraceLineShort, info log still shows long line trace")
    glg.Error("after configure Level trace ERR=TraceLineShort, error log now shows short line trace")
    glg.Get().SetLineTraceMode(glg.TraceLineNone)

    glg.Info("kpango's glg support json logging")
    glg.Get().EnableJSON()
    err := glg.Warn("kpango's glg", "support", "json", "logging")
    if err != nil {
        glg.Get().DisableJSON()
        glg.Error(err)
        glg.Get().EnableJSON()
    }
    err = glg.Info("hello", struct {
        Name   string
        Age    int
        Gender string
    }{
        Name:   "kpango",
        Age:    28,
        Gender: "male",
    }, 2020)
    if err != nil {
        glg.Get().DisableJSON()
        glg.Error(err)
        glg.Get().EnableJSON()
    }   glg.CustomLog(customTag, "custom logging")

    glg.CustomLog(customErrTag, "custom error logging")

    glg.Get().AddLevelWriter(glg.DEBG, NetWorkLogger{}) // add info log file destination

    http.Handle("/glg", glg.HTTPLoggerFunc("glg sample", func(w http.ResponseWriter, r *http.Request) {
        glg.New().
        AddLevelWriter(glg.Info, NetWorkLogger{}).
        AddLevelWriter(glg.Info, w).
        Info("glg HTTP server logger sample")
    }))

    http.ListenAndServe("port", nil)

    // fatal logging
    glg.Fatalln("fatal")
}