100 best passive income ideas for nerds

  1. Sell coding tutorials

  2. Create a SaaS product

  3. Build niche websites with affiliate links

  4. Sell stock photos of tech setups

  5. Write and sell eBooks

  6. Create a Udemy course

  7. Publish Kindle books

  8. Start a programming blog

  9. Sell Notion templates

  10. Make and sell browser extensions

  11. Build a mobile app

  12. Launch a tech podcast

  13. Sell digital planners

  14. License original music for games

  15. Create coding challenge platforms

  16. Sell merch with nerdy quotes

  17. Build an AI chatbot for businesses

  18. Create plugins for popular CMS

  19. Start a tech-themed YouTube channel

  20. Sell website templates

  21. Build Chrome themes

  22. Write cheat sheets for developers

  23. Sell icon packs

  24. Publish niche newsletters

  25. Create a VPN comparison site

  26. Sell scripts on CodeCanyon

  27. Build a SaaS for freelancers

  28. Make and sell 3D print models

  29. License your code libraries

  30. Create a GitHub Sponsor page

  31. Sell board game designs

  32. Rent your computer power for cloud computing

  33. Make educational animations

  34. Sell NFTs (nerdy art)

  35. Monetize open-source projects

  36. Create Python automation bots

  37. Sell resumes & cover letter templates

  38. Build an API and charge for access

  39. Write fantasy fiction and self-publish

  40. Sell Excel macros or templates

  41. Create a course on ethical hacking

  42. Develop trading bots

  43. Sell 8-bit pixel art

  44. Make YouTube tutorials on software tools

  45. Create a paid mastermind group

  46. Sell tech-themed domain names

  47. Build calculator tools for websites

  48. Launch a quiz app

  49. Sell cosplay guides

  50. Make a meme generator site

  51. Create an email automation tool

  52. Sell character design templates

  53. Write a sci-fi audiobook

  54. Build a chatbot for DnD games

  55. Monetize Reddit or Discord communities

  56. Develop quiz plugins for WordPress

  57. Make nerdy ringtone packs

  58. Sell Unity assets

  59. Create developer productivity tools

  60. Sell access to a code snippet library

  61. License your game engine mods

  62. Sell fantasy maps

  63. Make a font and sell it

  64. Publish whitepapers and license them

  65. Build data visualization tools

  66. Sell digital escape rooms

  67. Launch a productivity app

  68. Sell email newsletter templates

  69. Create automation templates for Zapier

  70. Build subscription boxes for nerds (automated dropshipping)

  71. Sell Arduino project kits

  72. Make a crypto wallet guide

  73. Sell math-based puzzle books

  74. License original comic strips

  75. Create a digital comic book series

  76. Build a task manager app

  77. Sell open-source training materials

  78. Make a nerdy dating site

  79. Sell VR experiences

  80. Build and license a scheduling tool

  81. Create printable DnD sheets

  82. Sell pre-made PowerPoint presentations

  83. Publish academic cheat sheets

  84. Make and sell calculators for gamers

  85. Offer micro-SaaS subscriptions

  86. Sell tech infographics

  87. Build a productivity journal

  88. Make a home lab guide

  89. Sell desktop wallpapers

  90. Create tech flashcards

  91. Sell tech-themed coloring books

  92. Develop Alexa or Google Assistant skills

  93. Sell gamified learning platforms

  94. Build and sell Discord bots

  95. Offer a paid coding forum

  96. Sell email signature generators

  97. Publish a sci-fi zine

  98. Create and sell analytics dashboards

  99. License a password manager plugin

  100. Build a nerdy calendar app

Ps: You can find and start a business in 24 hrs - https://sitefy.co/websites-for-sale/

Tell me which idea did you like? I will help out to formulate it further.