json2go alternatives and similar packages
Based on the "JSON" category.
Alternatively, view json2go alternatives based on common mentions on social networks and blogs.
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fastjson
Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection -
trdsql
CLI tool that can execute SQL queries on CSV, LTSV, JSON, YAML and TBLN. Can output to various formats. -
marshmallow
Marshmallow provides a flexible and performant JSON unmarshalling in Go. It specializes in dealing with unstructured struct - when some fields are known and some aren't, with zero performance overhead nor extra coding needed. -
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epoch
Contains primitives for marshaling/unmarshaling Unix timestamp/epoch to/from built-in time.Time type in JSON -
jsonhandlers
JSON library to expose simple handlers that lets you easily read and write json from various sources.
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README
json2go 
Package json2go provides utilities for creating well formatted go type representation from json inputs.
Demo page
Simple web page with webassembly json2go parser
https://m-zajac.github.io/json2go
Installation
go get github.com/m-zajac/json2go/...
Usage
Json2go can be used as cli tool or as package.
CLI tools can be used directly to create go type from stdin data (see examples).
Package provides Parser, which can consume multiple jsons and outputs go type fitting all inputs (see examples and documentation). Example usage: read documents from document-oriented database and feed them too parser for go struct.
CLI usage examples
echo '{"x":1,"y":2}' | json2go
curl -s https://api.punkapi.com/v2/beers?page=1&per_page=5 | json2go
Check this one :)
cat data.json | json2go
Package usage examples
inputs := []string{
`{"x": 123, "y": "test", "z": false}`,
`{"a": 123, "x": 12.3, "y": true}`,
}
parser := json2go.NewJSONParser("Document")
for _, in := range inputs {
parser.FeedBytes([]byte(in))
}
res := parser.String()
fmt.Println(res)
Example outputs
{
"line": {
"point1": {
"x": 12.1,
"y": 2
},
"point2": {
"x": 12.1,
"y": 2
}
}
}
type Document struct {
Line struct {
Point1 Point `json:"point1"`
Point2 Point `json:"point2"`
} `json:"line"`
}
type Point struct {
X float64 `json:"x"`
Y int `json:"y"`
}
[
{
"name": "water",
"type": "liquid",
"boiling_point": {
"units": "C",
"value": 100
}
},
{
"name": "oxygen",
"type": "gas",
"density": {
"units": "g/L",
"value": 1.429
}
},
{
"name": "carbon monoxide",
"type": "gas",
"dangerous": true,
"boiling_point": {
"units": "C",
"value": -191.5
},
"density": {
"units": "kg/m3",
"value": 789
}
}
]
type Document []struct {
BoilingPoint *UnitsValue `json:"boiling_point,omitempty"`
Dangerous *bool `json:"dangerous,omitempty"`
Density *UnitsValue `json:"density,omitempty"`
Name string `json:"name"`
Type string `json:"type"`
}
type UnitsValue struct {
Units string `json:"units"`
Value float64 `json:"value"`
}