Stop checking, start knowing
Nobody misses a deadline because they never found it.
They miss it because they found it three weeks early and meant to come back. Subscribe once and every deadline above lands in your own calendar, with an alert the day before and the registration link inside. No account, no email address, and it keeps updating itself.
How to use this
01. Find one that fits
Search by name, company or college, then narrow with the tabs and filters. Everything is sorted earliest date first, so the top of the grid is always what closes soonest.
02. Check the detail card
Tap any card for the date, prize, team size, entry fee and who can enter. That is enough to decide whether it is worth your week, before you commit to reading the full brief.
03. Register now, or set a reminder
One button opens the official listing, where you apply as normal. Not ready yet? Add it to your calendar from the same card and you get a reminder a day before, with the link inside it.
Reading the grid
The colour of a card tells you one thing: how soon it closes. The redder it is, the less time you have. Everything else, including what kind of competition it is, is written on the card in words.
- Filled red · Closes today or tomorrow
- Red line · Closes within a week
- Black line · Further out
Where the data comes from
17 of 23 feeds returned rows
- Unstop hackathons101 open
- Unstop competitions322 open
- Unstop quizzes37 open
- Devpost open58 open
- Devpost upcoming83 open
- Devfolio24 open
- HackerEarth challengesunreachable
- Hack Club9 open
- ETHGlobal events8 open
- MLH season events0 open
- Internshala competitions136 open
- Kaggle competitions20 open
- Codeforces rounds1 open
- CodeChef contests3 open
- LeetCode contests2 open
- AtCoder contests6 open
- HackerRank contests1 open
- CodinGame challenges0 open
- GeeksforGeeks contests0 open
- TechGig challenges29 open
- MachineHack hackathonsunreachable
- MachineHack ideathons16 open
- MyCareernet contests0 open
Every feed is re-read on a daily schedule, with an hourly safety net if that schedule misses. Only entries whose date is still ahead appear, so anything expired drops off by itself. A feed showing zero is normal: it means that platform has nothing open today, not that something broke. Dates still move without warning, so confirm on the organiser's page before you plan around one. 2 feeds could not be reached on this refresh, so their listings are missing.
Where to look yourself
The ones marked live are read automatically and feed the grid above. The rest have no public feed we can read, so browse them yourself. Bookmark two or three that match what you build.
- Mixed● LiveUnstopThe widest Indian campus listing. Hackathons, case competitions, quizzes and hiring challenges in one feed.Best for Indian students who want breadth in one place
- Hackathons● LiveDevfolioWhere most serious Indian student hackathons run applications. Started Web3 heavy, now broadly technical.Best for Campus and Web3 hackathons in India
- Hackathons● LiveDevpostThe largest global directory of online hackathons, including most corporate sponsored AI challenges.Best for Remote friendly, high prize online events
- HackathonsGlobal · India heavyHackerEarthHackathons tied to hiring assessments. Fewer events, but a high share are run by companies actually recruiting.Best for Hackathons that convert to interviews
- HackathonsGlobalDoraHacksLarge open source and crypto bounty hackathons, mostly remote, with grant style funding rather than fixed prizes.Best for Open source and crypto bounties
- Hackathons● LiveHack ClubTeenager run hackathons, listed by the Hack Club network. Smaller, friendlier, and genuinely beginner first.Best for School students and first timers
- Timed contests● LiveCodeforcesThe main competitive programming ladder. Rated rounds several times a week, free, no registration deadline.Best for Serious competitive programming
- Timed contests● LiveLeetCodeWeekly and biweekly contests on interview style problems. The closest thing to practising the real hiring test.Best for Interview preparation with a clock on
- Timed contests● LiveCodeChefIndian competitive programming home, with Starters every week and a division system that fits beginners.Best for Indian students starting out in CP
- Timed contests● LiveAtCoderJapanese contest platform with famously clean problem statements. Beginner and regular divisions each weekend.Best for Well written problems, gentle ramp
- Timed contests● LiveHackerRankCollege contests and company sponsored rounds, often used as a first screening step by recruiters.Best for College rounds and recruiter screens
- Timed contests● LiveCodinGameProgramming puzzles as games and bot battles. The least dry way into competitive coding.Best for Learning CP without the grind
- Timed contests● LiveGeeksforGeeksContests attached to their practice tracks, aimed squarely at Indian placement preparation.Best for Placement season practice
- Hackathons● LiveMajor League HackingThe official student hackathon league, with a published season calendar. Beginner friendly by design.Best for First time hackers
- Hackathons● LiveKaggleMachine learning competitions on real datasets, with submission windows measured in months rather than a weekend.Best for Data science and ML, at your own pace
- Hackathons● LiveETHGlobalThe flagship Ethereum hackathon circuit. ETHIndia, its South Asia stop, is the largest crypto hackathon in the region.Best for Serious Ethereum and crypto builders
- HackathonsIndia · globalHack2skillRuns the India leg of several corporate and government innovation challenges, including partner events with cloud vendors.Best for Government and enterprise innovation challenges
- HackathonsGlobalOpenHackathonsMentored GPU, HPC and scientific computing hackathons. Structured coaching over weeks, not a sprint.Best for HPC, GPU and research computing
- HackathonsIndiaSmart India HackathonThe government's national problem statement hackathon. Entry goes through your college's nominated SPOC, so the portal date is not your real deadline.Best for The largest hackathon in the country
- Case & businessIndiaInsideIIMEditorial coverage of the B school competition circuit, including a season timeline for the corporate flagships.Best for Knowing when the big case comps open
- Case & businessGlobalThe Case CentreA global register of academic case competitions, weighted towards business schools outside India.Best for International case competitions
- Mixed● LiveInternshalaStudent competitions alongside its internship listings. Lighter on tech depth, useful for non engineering tracks.Best for Non engineering student competitions
- Mixed● LiveTechGigTimes Internet's IT professional community, running weekly coding contests and quizzes alongside corporate hiring challenges.Best for IT professional coding contests and quizzes
- Hackathons● LiveMachineHackAnalytics India Magazine's ML hackathon arm, running weekly dataset challenges alongside longer ideathons, several flagged as company hiring rounds.Best for Machine learning hackathons and ideathons
- Hackathons● LiveMyCareernetCompany run contests, split between hiring rounds and open prize challenges, tagged explicitly as one or the other.Best for Company hiring hackathons
Get in touch
Made by a small team that got tired of missing deadlines.
We kept finding good competitions a week after they closed, so we built the page we wanted: every open call in one grid, dated, linked to the organiser, free, and with no account to create.
Running a competition and want it here? Spotted a wrong date or a dead link? Want a platform added that we do not read yet? Book half an hour and tell us.
Who's behind thisFrequently asked questions
- Brabble is a live index of hackathons, case competitions, coding contests, and student opportunities. We merge listings from Unstop, Devpost, Devfolio, MLH, DoraHacks, HackerEarth, Hack Club, ETHGlobal, Internshala, Codeforces, CodeChef, LeetCode, and more into one free, searchable page — updated daily, no account needed.
- Listings are refreshed daily. Every source is re-read on a daily schedule with an hourly safety net. Only entries whose deadline is still in the future are shown, so expired listings drop off automatically.
- Completely free. No account, no email address, no hidden fees. Every listing links straight to the organiser's page where you register directly.
- Subscribe to a calendar feed from the Reminders page. It puts every deadline in your own calendar app with an alert the day before, and updates itself automatically. Works with Google Calendar, Apple Calendar, and Outlook.
- Brabble reads live feeds from Unstop, Devpost, Devfolio, Major League Hacking (MLH), DoraHacks, HackerEarth, Hack Club, ETHGlobal, Internshala, Codeforces, CodeChef, LeetCode, and more. The full list with live status is shown on the homepage.
- Yes. If you are organising a competition and want it listed, or if you have spotted a wrong date or a dead link, book a 30-minute call from the contact section on the homepage.
- No. Every listing links to the organiser's own page on their platform. Registration, team formation, and submissions all happen there, not here. Brabble is a discovery layer, not a hosting platform.
- Yes. A free JSON API is available at /api/listings with no key or signup required. RSS feeds are available for every major category, and ICS calendar feeds can be subscribed to from the Reminders page. Details are on the Developers page.
What is Brabble?+−
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Brabble.ai
We build software that solves real problems, and open-source it.
This page is one of them. Everything we ship holds to the same rules: no accounts you did not ask for, no upsell, and nothing that needs a tutorial to use.