Alternatives and similar repositories for CM2013

Users that are interested in CM2013 are comparing it to the libraries listed below

• KyleGospo / City-17-Episode-One-Source
  The complete source code for City 17: Episode One. I am open to pull requests that fix bugs or add features the rest of the sourcemod com…
  ☆31Updated 9 years ago
• crashfort / HammerPatch
  Modification of Source Valve Hammer Editor to fix some issues. Fixes brush vertex precision loss.
  ☆61Updated 7 years ago
• zm-reborn / zmr-game
  Zombie Master, an RTS/FPS game on the Source 2013 engine.
  ☆43Updated 3 weeks ago
• alanedwardes / Estranged-Act-1
  Source code for the free Steam game, Estranged: Act I.
  ☆46Updated 3 years ago
• bachingo / TF2Vintage
  Current repository for Souce mod Team Fortress 2 Vintage
  ☆31Updated 4 years ago
• borzh / botrix
  Source code for Half-Life 2: Deathmatch bots.
  ☆39Updated 4 months ago
• SourceCE / Source-SP
  [Dead] The 2013 community edition of the Source SDK
  ☆16Updated 8 years ago
• Biohazard90 / g-string_2013
  Repository for the Source engine modification G String
  ☆35Updated 5 years ago
• ReverendV92 / NotepadPP-VDF-Languages
  Notepad++ VDF Language Plugins
  ☆45Updated 10 months ago
• panzi / HLLib
  git mirror and patches to HLLib: http://nemesis.thewavelength.net/index.php?p=35
  ☆11Updated 8 years ago
• panzi / VTFLib
  Linux port of Nem's VTFLib http://nemesis.thewavelength.net/index.php?p=40
  ☆46Updated 2 years ago
• SCell555 / 7zip-vpk
  VPK format provider for 7-Zip
  ☆59Updated 3 years ago
• 95Navigator / insolence-2013
  Repository for the Source Engine modification Insolence
  ☆14Updated 4 years ago
• Metapyziks / VMFInstanceInserter
  Inserts instances into a VMF. I am the best at names.
  ☆40Updated 5 years ago
• Sandern / aswscratch
  Alien Swarm SDK Scratch Template
  ☆23Updated 11 years ago
• of2team / Opposing-Force-2
  The 2013 edition of the Source SDK
  ☆25Updated 10 years ago
• tonysergi / source-sdk-2013
  The 2013 edition of the Source SDK
  ☆20Updated 5 years ago
• Sandern / py-source-sdk-2013
  A Source SDK 2013 fork with automatically generated bindings for Python 3.
  ☆45Updated 7 years ago
• Triang3l / BS2PC
  Half-Life PlayStation 2 map converter
  ☆40Updated 2 years ago
• Dima-369 / VMT-Editor
  Visual editor for VMT files used in Source Engine
  ☆189Updated 2 years ago
• kolessios / sourcebots
  Artificial intelligence to create Bots in Source Engine.
  ☆22Updated 4 years ago
• FIREFIGHT-RELOADED / FIREFIGHT-RELOADED-src-sdk-2013
  Bitl's SMOD-like HL2 mod, FIREFIGHT RELOADED, built with Valve's Source SDK 2013 Base.
  ☆24Updated this week
• Artfunkel / gimp-vtf
  Allows the GNU Image Manipulation Program to read and write Valve Texture Format files on Windows.
  ☆77Updated 10 years ago
• whoozzem / SecobMod
  SecobMod
  ☆22Updated 9 years ago
• malortie / source-sdk-2013
  The 2013 edition of the Source SDK
  ☆14Updated 3 weeks ago
• kolessios / insource-legacy
  Modified version of Source Engine "Alien Swarm". Not suitable for production use.
  ☆16Updated 4 years ago
• headassbtw / mdlshit
  source engine .mdl v49 -> v53 converter
  ☆18Updated last year
• Fograin / hl-subsmod-ex
  Half-Life: Update MOD
  ☆23Updated 8 years ago
• stanriders / hl2-asw-port
  Porting Half-Life 2 base to the Alien Swarm Engine
  ☆25Updated 10 years ago
• Biohazard90 / source-shader-editor
  Shader Editor for the Source Engine
  ☆55Updated 9 years ago