BizHawk 2.11.1 gathers more than forty systems into one window: ten save slots plus unlimited named states, frame advance with instant rewind, memory editing, Lua and C# scripting, and the piano roll style TAStudio.

ArtMoney finds a value in a running game and lets you change it, with eight search modes, pointer chains up to six levels and more than six thousand user made tables. The SE edition is free for personal use, and the current version is 8.21.3.

PCSX-Redux is an open source fork of PCSX that drops the plugin system for one monolith, then adds a GDB server, Ghidra hooks, a Lua interface and a VRAM viewer. There is no version number: the builds ship as rolling snapshots of the main branch.

Vita3K is an open source PS Vita emulator written in C++, shipping nightly builds for Windows, Linux, macOS and Android. More than half the tested titles are marked playable.

A live broadcasting feature built into the Steam client, letting a friend open your game from the friends list with one tap, with no capture card or third-party streaming tool, four visibility levels, and settings that live alongside the rest of the client.

An open source 3DS emulator taken over by its community, assembled from two branches that each kept the earlier code moving, published under GPL-3.0, with builds for Windows, macOS and Linux and a release rhythm that has stayed alive.

An open source framework for PC games that takes over rendering and input while a game runs. It offers a frame limiter tuned for variable refresh rate, adds high dynamic range to titles that never shipped it, and lets games designed for one controller recognise others.

A long-running controller mapping tool that presents wheels, joysticks and other gamepads to the system as a standard gamepad, so old games that accept only one kind of input can see them. This release hands rumble to the real controller and allows formulas in mapping rows.

Razer Cortex is Razer's free game optimisation and launcher platform, gathering game clips, a booster, an AI-driven preset engine, a system cleaner, price comparison and a rewards programme in one window.

itch.io is an open marketplace for independent digital creators with video games at the centre; creators set their own prices and run their own sales, the catalogue spans eight categories, and many projects play directly in a browser.

An open-source emulator for GameCube and Wii that runs those games on a computer in full HD 1080p, works with ordinary PC controllers and supports netplay. The current build is 2609a.

Steam is Valve's PC game publishing and community platform: the store is officially described as carrying around thirty thousand titles, while community, workshop, streaming and chat all live inside the same free client.

A free open source tool for importing games in bulk and managing cover art, covering emulator ROMs and games from other platforms, with fuzzy matching and more than a hundred presets built in and builds for Windows, macOS and Linux.

It is not optional if you play these games on PC, and it is not bad either: purchases collected on one shelf, updates handled quietly, saves that follow you and a repair button that has saved many evenings.

Bind every stick, trigger and button to a key, a mouse movement or a macro, tune the deadzone and the response curve, and let profiles switch themselves when a game starts. Free and open.