| Steam / Steamworks | Multi-game (any Steamworks title) | Valve |
| Battle.net | WoW, Overwatch, Diablo, Hearthstone, Starcraft | Blizzard |
| GameRanger | ~700 legacy LAN/IP titles (Age of Empires, Warcraft III, ...) | Scott Kevill (solo) |
| LogMeIn Hamachi | Any LAN-emulated title (generic VPN) | LogMeIn |
| GameTracker | Multi-game (Source, Q3, BF, COD aggregator) | Tatsumeeko |
| BattleMetrics | Multi-game (ARK, Rust, DayZ, 7DTD, Squad, ...) | BattleMetrics |
| OpenSpy | BF2142, NFS:MW, Tony Hawk THPS3/4/THUG/THAW, Painkiller, BF Heroes, Halo PC | OpenSpy community |
| BF2Hub | Battlefield 2 | BF2Hub project |
| Project Reality master | Project Reality: BF2 mod | Project Reality team |
| SWBFSpy | Star Wars Battlefront I (2004), II (2005) | SWBFSpy / SWBFModders |
| MOH Reborn | MOH: Allied Assault, Spearhead, Breakthrough | x-null community |
| Open Carnage / Chimera | Halo PC, Halo Custom Edition | SnowyMouse + Open Carnage |
| dpmaster (deathmask.net) | Quake 1/2/3, OpenArena, Xonotic, Warsow, Wolf:ET, RtCW, Tremulous, Smokin' Guns | LordHavoc / deathmask.net |
| Splatterladder | Wolfenstein: Enemy Territory, RtCW | Splatterladder |
| ET: Legacy | Wolfenstein: Enemy Territory (client + master) | ET: Legacy team |
| Urban Terror master | Urban Terror 4.x | FrozenSand |
| Doomlist + Doomseeker | Zandronum, Odamex, Chocolate Doom | Zandronum community |
| ZDaemon | Doom, Doom II (multiplayer) | ZDaemon staff |
| Plutonium | Call of Duty: BO1, BO2, MW3, World at War | Plutonium Project |
| IW4x | Call of Duty: Modern Warfare 2 (2009) | IW4x team |
| AlterWare | CoD: MW2, MW3, Ghosts, Advanced Warfare, BO3 | AlterWare community |
| W3D Hub / RenList | C&C Renegade, Renegade-X | W3D Hub |
| CnCNet | C&C Red Alert 1/2 + Yuri's, Tiberian Sun, Tiberian Dawn, Renegade | CnCNet |
| Wiimmfi | Wii / DS (Mario Kart Wii, Smash Bros Brawl, ~500 titles) | Wiimm |
| Pretendo Network | Wii U + 3DS (post-Nintendo Network shutdown) | Pretendo Network |
| Sylverant | Phantasy Star Online (Dreamcast through Blue Burst) | Bluecrab + Sylverant team |
| Schtserv | Phantasy Star Online Blue Burst | Schthack |
| WormNET (CyberShadow) | Worms Armageddon | Vladimir Panteleev (CyberShadow) |
| Game-Monitor | Multi-game (CS, ARK, BF, COD, DayZ, Gmod, ...) | Game-Monitor |
| TrackyServer | Multi-game (sandbox / survival / RP / FPS) | TrackyServer |