Light, fluffy, and always free - The AWS Local Emulator alternative
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AWS Emulator is a local emulator of the AWS APIs.
AFL++ is a state-of-the-art fuzzer, and #1 in benchmarks. It was originally based on AFL. Today it comes with qemu 5.1, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!
- afl
- afl-fuzz
- afl-fuzzer
- fuzzing
Ministack: Free, open-source local AWS emulator - 60+ services, Terraform compatible, real databases. Free forever. MIT licensed.
Chaos testing, network emulation, and stress testing tool for containers
- docker
- chaos
- network-emulator
- testing-tools
A Grunt workflow for designing and testing responsive HTML email templates with SCSS.
- litmus
- grunt
- css
- transactional-emails
Render your Android screens without a physical device or emulator
Self-hosted iOS & Android simulator streaming for the whole team
- appetize-alternative
- android
- ios
- react-native
Local API emulation for CI and no-network sandboxes
Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,729 operations, true 100% Smithy conformance (260,001/260,001 variants pass). No account, no auth token, no paid tier.
A collection of ROM images with tests that will aid you in developing your own CHIP-8, SUPER-CHIP or XO-CHIP interpreter (or "emulator")
- chip-8
- chip-8-emulator
- chip-8-interpreter
- chip-8-roms
Mock an SSH server and define all commands it supports (Python, Twisted)
Benchmark harness and data: QEMU emulation vs native Buildx nodes for multi-arch container builds.
A lightweight Snowflake emulator built with Go and DuckDB for local development and testing
Open-source eBPF compatibility evidence and CI gate
A cross-platform unit testing tool for MOS 6502 assembly
- 6502
- 6502-emulation
- unit-testing
- json-schema