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Subreddits like r/opensource

70 subreddits are like r/opensource. The closest are r/linux, r/foss and r/selfhosted.

70 subreddits like r/opensource

Closest first. A subreddit found by more than one signal ranks higher.

  1. 1r/linuxSame topicsSame peopleCrosspostsSimilar to r/linux
  2. 2r/fossSame topicsSame peopleCrosspostsSimilar to r/foss
  3. 3r/selfhostedSame topicsSame peopleCrosspostsSimilar to r/selfhosted
  4. 4r/programmingSame topicsSame peopleCrosspostsSimilar to r/programming
  5. 5r/coolgithubprojectsSame topicsSame peopleCrosspostsSimilar to r/coolgithubprojects
  6. 6r/githubSame topicsSame peopleCrosspostsSimilar to r/github
  7. 7r/SideProjectSame topicsSame peopleCrosspostsSimilar to r/SideProject
  8. 8r/softwareSame topicsSame peopleCrosspostsSimilar to r/software
  9. 9r/PythonSame topicsSame peopleCrosspostsSimilar to r/Python
  10. 10r/rustSame topicsSame peopleCrosspostsSimilar to r/rust
  11. 11r/golangSame topicsSame peopleCrosspostsSimilar to r/golang
  12. 12r/fossdroidSame topicsSame peopleCrosspostsSimilar to r/fossdroid
  13. 13r/webdevSame topicsSame peopleCrosspostsSimilar to r/webdev
  14. 14r/commandlineSame topicsSame peopleCrosspostsSimilar to r/commandline
  15. 15r/javascriptSame topicsSame peopleCrosspostsSimilar to r/javascript
  16. 16r/kdeSame topicsSame peopleCrosspostsSimilar to r/kde
  17. 17r/privacySame topicsSame peopleCrosspostsSimilar to r/privacy
  18. 18r/degoogleSame topicsSame peopleCrosspostsSimilar to r/degoogle
  19. 19r/nodeSame topicsSame peopleCrosspostsSimilar to r/node
  20. 20r/linuxquestionsSame topicsSame peopleCrosspostsSimilar to r/linuxquestions
  21. 21r/gitSame topicsSame peopleSimilar to r/git
  22. 22r/devopsSame topicsSame peopleSimilar to r/devops
  23. 23r/LocalLLaMASame peopleCrosspostsSimilar to r/LocalLLaMA
  24. 24r/linuxmemesSame topicsSame peopleSimilar to r/linuxmemes
  25. 25r/PHPSame topicsSame peopleSimilar to r/PHP
  26. 26r/LLMDevsSame peopleCrosspostsSimilar to r/LLMDevs
  27. 27r/AI_AgentsSame peopleCrosspostsSimilar to r/AI_Agents
  28. 28r/reactjsSame peopleCrosspostsSimilar to r/reactjs
  29. 29r/technologySame topicsCrosspostsSimilar to r/technology
  30. 30r/mcpSame peopleCrosspostsSimilar to r/mcp
  31. 31r/UbuntuSame topicsCrosspostsSimilar to r/Ubuntu
  32. 32r/linux4noobsSame peopleSimilar to r/linux4noobs
  33. 33r/firefoxSame peopleCrosspostsSimilar to r/firefox
  34. 34r/AskProgrammingSame peopleSimilar to r/AskProgramming
  35. 35r/androidappsSame topicsCrosspostsSimilar to r/androidapps
  36. 36r/debianSame peopleSimilar to r/debian
  37. 37r/netsecSame topicsSimilar to r/netsec
  38. 38r/ollamaSame peopleSimilar to r/ollama
  39. 39r/ProgrammingLanguagesSame peopleSimilar to r/ProgrammingLanguages
  40. 40r/ChatGPTCodingSame peopleSimilar to r/ChatGPTCoding
  41. 41r/gnomeSame peopleSimilar to r/gnome
  42. 42r/RagSame peopleSimilar to r/Rag
  43. 43r/C_ProgrammingSame peopleSimilar to r/C_Programming
  44. 44r/LangChainSame peopleSimilar to r/LangChain
  45. 45r/macappsSame topicsSimilar to r/macapps
  46. 46r/indiehackersSame peopleSimilar to r/indiehackers
  47. 47r/sysadminSame topicsSimilar to r/sysadmin
  48. 48r/ClaudeAICrosspostsSimilar to r/ClaudeAI
  49. 49r/vibecodingCrosspostsSimilar to r/vibecoding
  50. 50r/DataHoarderCrosspostsSimilar to r/DataHoarder
  51. 51r/developersIndiaCrosspostsSimilar to r/developersIndia
  52. 52r/buildinpublicCrosspostsSimilar to r/buildinpublic
  53. 53r/MachineLearningCrosspostsSimilar to r/MachineLearning
  54. 54r/FlutterDevCrosspostsSimilar to r/FlutterDev
  55. 55r/SaaSCrosspostsSimilar to r/SaaS
  56. 56r/linux_gamingCrosspostsSimilar to r/linux_gaming
  57. 57r/learnprogrammingCrosspostsSimilar to r/learnprogramming
  58. 58r/ClaudeCodeCrosspostsSimilar to r/ClaudeCode
  59. 59r/cybersecurityCrosspostsSimilar to r/cybersecurity
  60. 60r/kubernetesCrosspostsSimilar to r/kubernetes
  61. 61r/sideprojectsCrosspostsSimilar to r/sideprojects
  62. 62r/homelabCrosspostsSimilar to r/homelab
  63. 63r/learnmachinelearningCrosspostsSimilar to r/learnmachinelearning
  64. 64r/LocalLLMCrosspostsSimilar to r/LocalLLM
  65. 65r/chrome_extensionsCrosspostsSimilar to r/chrome_extensions
  66. 66r/cppCrosspostsSimilar to r/cpp
  67. 67r/godotCrosspostsSimilar to r/godot
  68. 68r/softwaredevelopmentCrosspostsSimilar to r/softwaredevelopment
  69. 69r/gamedevCrosspostsSimilar to r/gamedev
  70. 70r/windowsCrosspostsSimilar to r/windows

How it works

How similar subreddits are found

  • Same topics: subreddits whose posts cover the same topics as r/opensource.
  • Same people: subreddits where the same authors post and comment.
  • Crossposts: subreddits that r/opensource crossposts to or from.

NSFW subreddits and subreddits without enough data are left out. Stats for r/opensource · Best time to post on r/opensource · Find subreddits like another subreddit

Subreddits like r/opensource | KissMyPost