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13 repositories by Attention Score · May 8, 2026 – Nov 3, 2026 (UTC)

Language: Go
Tag: Mocking
Clear all

1.keploy / keploy

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

testing
test-automation
api-testing
testing-tools
test-automation-framework
test-generation
+8 more

Go APACHE-2.019K total2.4K forks

+2,666 stars

from 16,614 · score 7.89

2.axllent / mailpit

An email and SMTP testing tool with API for developers

email-testing
go
golang
smtp-server
smtp-relay
smtp-testing
+2 more

Go MIT11K total374 forks

+1,560 stars

from 9,264 · score 7.35

3.stretchr / testify

A toolkit with common assertions and mocks that plays nicely with the standard library

testify
go
assertions
mocking
golang
testing
+1 more

Go MIT26K total1.9K forks

+433 stars

from 25,809 · score 6.07

4.mailhog / MailHog

Web and API based SMTP testing

Go MIT16K total1.2K forks

+321 stars

from 15,879 · score 5.77

5.uber-go / mock

GoMock is a mocking framework for the Go programming language.

Go APACHE-2.03.4K total185 forks

+120 stars

from 3,308 · score 4.80

6.vektra / mockery

A mock code autogenerator for Go

go
mock
mocking
golang
testing
generator
+5 more

Go BSD-3-CLAUSE7.2K total468 forks

+115 stars

from 7,060 · score 4.75

7.DATA-DOG / go-sqlmock

Sql mock driver for golang to test database interactions

sql-driver
go
mock
database
tdd
testing
+2 more

Go Other license6.6K total422 forks

+60 stars

from 6,512 · score 4.11

8.mccutchen / go-httpbin

A reasonably complete and well-tested golang port of httpbin, with zero dependencies outside the go stdlib.

httpbin
golang
testing
http

Go MIT893 total185 forks

+59 stars

from 834 · score 4.09

9.SpectoLabs / hoverfly

Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

api-simulation
golang
proxy
mitm
testing-tools
mocking
+10 more

Go APACHE-2.02.5K total232 forks

+58 stars

from 2,475 · score 4.08

10.dnaeon / go-vcr

Record and replay your HTTP interactions for fast, deterministic and accurate tests

go
golang
testing

Go BSD-2-CLAUSE1.4K total85 forks

+25 stars

from 1,374 · score 3.26

11.maxbrunsfeld / counterfeiter

A tool for generating self-contained, type-safe test doubles in go

Go MIT1.1K total102 forks

+23 stars

from 1,124 · score 3.18

12.matryer / moq

Interface mocking tool for go generate

golang
mocking
testing
codegen

Go MIT2.2K total139 forks

+22 stars

from 2,184 · score 3.14

13.jarcoal / httpmock

HTTP mocking for Golang

Go MIT2.1K total109 forks

+10 stars

from 2,069 · score 2.40

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