By Quick answer: What are good side project ideas for developers?
- Choose the goal — learn, portfolio, community or income.
- Scratch your own itch — you'll use it, so you'll finish it.
- Scope to two weekends — one core feature, shipped.
- Ship in public — a README, a demo link, a short post.
- Stop or continue deliberately — finished beats perfect.
Key takeaways
- Unfinished side projects teach less than small finished ones.
- Clones are great for learning if you focus on the one hard part of the original.
- Open-source contributions build reputation faster than solo repos nobody sees.
- If you want income, choose a niche that already pays and charge from day one.
- Check your employment contract before building anything commercial.
Every developer has a graveyard of side projects: a repository with an ambitious README and three commits. The problem is rarely the idea. It's that the project had no clear purpose and no finish line. So this list is grouped by what you want the project to do for you — and ends with a method for actually shipping it.
First, pick the goal
| Goal | Choose a project that… | You're done when… |
|---|---|---|
| Learn | Forces you to use a new technology for its hard part | You can explain how it works |
| Portfolio | Shows end-to-end engineering with real users | It's deployed, documented and used |
| Community | Helps a group you belong to | People use it without you prompting them |
| Income | Solves a paid problem for a niche | Someone pays |
For yourself: scratch your own itch
1. A personal finance dashboard from bank statements
Parse statement PDFs and categorise spending. You'll learn parsing, data modelling and charts — and you'll actually use it.
2. A WhatsApp bot for your family
Birthdays, bill reminders, shared shopping lists. Teaches webhooks, messaging APIs and state.
3. A reading list with spaced reminders
Save articles; get them back when you're likely to forget. Teaches scheduling and email.
4. A home-network status page
Monitor your Wi-Fi, devices and internet speed on a Raspberry Pi. Teaches networking and dashboards.
5. A meal planner from your fridge
Photograph ingredients; get recipes. Teaches image recognition APIs and recommendation basics.
To learn: build-your-own
6. Build your own Redis
A key-value server speaking a simple protocol, with persistence. Teaches networking, concurrency and data structures.
7. Build your own Git
Objects, commits and branches from scratch. Teaches content-addressable storage and hashing.
8. A tiny interpreter
Lexer, parser and evaluator for a small language. Teaches how every language you use works.
9. A collaborative text editor
Real-time editing for two users. Teaches WebSockets and conflict resolution — the browser APIs are well documented on MDN4.
10. A URL shortener at scale
Then load-test it. Teaches caching, databases and performance measurement.
For your portfolio
11. A full-stack app with real users
Any small app — but with 50 real users and their feedback in the README. That evidence is rare and memorable.
12. A mobile app using the camera
Scan, recognise, act. Shows a phone-native skill set.
13. A data story from public data
Analyse an open dataset and publish an interactive article. Shows analysis and communication.
14. A design system and component library
Tokens, components, documentation and accessibility tests. Shows craft for front-end roles.
15. A CLI tool you use daily
Automate something in your workflow, then package and publish it.
For the community
16. Translations for an open-source project
Add Indian-language support to a tool you use. GitHub's guides help you find projects to contribute to2.
17. A missing library for an Indian API
A clean SDK for a public API that lacks one in your favourite language.
18. An accessibility audit tool
Scan pages for common issues and explain fixes plainly.
19. Tools for your local NGO
Volunteer scheduling, donor receipts or beneficiary records. Real users, real impact.
20. A tutorial site for a niche topic
Teach what you just learned. Writing it clarifies your own understanding.
To earn a little
21. A browser extension for a profession
Recruiters, salespeople, teachers — find a repetitive browser task and automate it.
22. Templates and starter kits
A polished starter for a stack, sold once.
23. A niche job board
Jobs for one skill in one region, monetised by posting fees.
24. An API wrapper as a service
Turn a messy public data source into a clean, paid API.
25. A paid newsletter tool for a community
A small tool that solves one job for creators in a niche you know.
How to actually finish
- Write the finish line in one sentence before you start.
- Scope to one feature you can ship in two weekends.
- Work little and often — 30 minutes daily beats a lost Saturday.
- Ship rough, in public — a demo link and README. Posting on Show HN has its own etiquette worth reading1.
- Pick a licence if it's open source3.
- Decide consciously after shipping: continue, pause or archive.
If a project starts earning, micro-SaaS ideas you can build solo shows how to grow it. For a 48-hour sprint, see hackathon project ideas.
Key terms, defined
Side project — work outside your main job, for learning, portfolio or income. Scope — what a project includes. Show HN — Hacker News posts sharing something you've made. Open-source licence — terms for how others can use your code.
Frequently asked questions
How do I choose a side project?
Decide what you want from it — learning a technology, a portfolio piece, helping a community, or income — then pick a problem you personally have. Personal use keeps motivation alive, and a clear goal tells you when you're done.
How do I finish a side project?
Scope ruthlessly to one core feature, set a two-week deadline, work in small daily sessions, ship a rough version publicly, and decide afterwards whether to continue. Publishing early creates accountability.
Can side projects make money?
Some do, usually as small tools for a niche, browser extensions, templates or micro-SaaS. Most earn little. Treat income as a bonus unless you deliberately target a paying niche and price from the start.
Do side projects help get a job?
Yes, when they show real engineering decisions: a deployed project with users, clean code, tests and a clear README tells interviewers more than certificates. Be ready to explain trade-offs you made.
Can I build side projects while employed?
Usually, but read your employment contract and company policy on outside work and intellectual property. Avoid using company time, equipment or confidential information, and ask HR if anything is unclear.
What tech stack should I use for a side project?
Use what helps your goal: a new stack if learning is the point, or the stack you know best if shipping is. Managed hosting and databases with free tiers keep costs and maintenance low.
Sources
- Hacker News — Show HN guidelines
- GitHub Docs — Finding ways to contribute to open source on GitHub
- Choose an open source license
- MDN Web Docs — Web APIs
- Checked October 23, 2026. Figures that change — fees, salaries, prices — are reviewed every six months; if something is out of date, tell us.
Where to go from here
- Micro-SaaS ideas you can build solo — when a side project should earn
- Hackathon project ideas — for a 24- or 48-hour sprint
- Making moneyPassive income for developers: 12 ideas that hold up — and the work behind them12 passive income ideas for developers — micro-SaaS, templates, plugins, courses, APIs, open-source sponsorships — with honest effort and income expectations.
- IdeasApp ideas for students that can actually make money20 app ideas students can build on campus and actually earn from — PG finders, print queues, notes exchanges, event tickets and more, with how each makes money.
- Tech stackThe best programming language for app development — by platform, goal and careerThe best programming language for app development by platform — Kotlin, Swift, Dart, TypeScript — plus backends, India salaries and what to learn first.
- How to make an appHow to write an app requirements document developers can actually build fromWrite an app requirements document that gets accurate quotes: goals, users, user stories, acceptance criteria, scope and a free copy-paste template.
- Making moneyHow to make money with AI in 2027: 15 real ways that don't rely on hype15 real ways to make money with AI in 2027 — AI-assisted services, automations for small businesses, AI products and AI skills — and what clients pay for.
- App marketing & ASO50 push notification examples that actually get clicked — and why they work50 push notification examples for onboarding, habits, commerce, money, social, learning and win-back — with the principle behind each one.
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