Save Game Free is a free and simple but powerful solution for saving and loading game data in unity.

Apollo Save Tool (PS4)

NomNom is the most complete savegame editor for NMS but also shows additional information around the data you're about to change. You can also easily look up each item individually to examine its attributes, independently of a savegame, or get other useful information that are not related to a specific savegame (but enhanced if one is loaded).

Apollo Save Tool (PS3)

A tool used for syncing your save games across your devices

A bare-bones C# .NET Key-value Store in a single database file for Unity

Save System for Unity with AOT (IL2CPP) and assets references support.

Converter for retro console save files to and from MiSTer, flash cartridges, Nintendo Switch Online, and save states from online emulation websites. Convert files found around the Internet: All common formats for NES/SNES/GBA/N64/TG16/SMS/Genesis/Neo Geo/PS1 supported. Decrypt PSP saves.

A Sons of The Forest Savegame Editor

A Super Smash Bros. Ultimate save editor written in Python

GUI tool to edit GTA San Andreas savegames.

Apollo Save Tool Online Database

Apollo Save Tool (PS Vita)

Analyzes Age of Empires 2 recorded game files.

Moved to https://git.sr.ht/~thestr4ng3r/mymcplus - PlayStation 2 memory card manager

Age of Empires: The Conquerors - Savegame File Format

A program to make importing and exporting DOOM Eternal saves easier.

MPKEdit - Nintendo 64 (N64) Controller Pak manager in JavaScript

Tools to decrypt specific PlayStation save-games (GTA5, TLOU, Uncharted 2, Uncharted 3, DmC, Diablo 3, Resident Evil, NFS, +++)

Savegame manager for the Nintendo Wii U