I Built 9 Production-Ready Telegram Bots in Python (Open Source)

A developer released nine open-source Telegram bot templates on GitHub, covering use cases such as AI assistants, booking systems, crypto alerts, job channels, price monitors, restaurant reservations, tutoring, surveys, and auto-content scheduling. The bots use SQLite databases and offer a freemium model with 20 free messages per day and unlimited access for premium users.

TL;DR: 9 open-source Telegram bot templates — AI assistant, booking, crypto alerts, job channel, price monitor, restaurant, tutor, survey, auto-content. All free on GitHub. Full freemium — 20 free messages/day, unlimited for premium users. SQLite database, admin panel. python @dp.message F.text async def handle message message: Message : if not db.is premium user id and db.get msg count today user id = FREE DAILY LIMIT: await message.answer "Limit reached ", reply markup=premium keyboard return response = client.messages.create model="claude-haiku-4-5-20251001", max tokens=1024, messages=conversations user id , await message.answer response.content 0 .text Barbershops, clinics, tutors. Interactive date/time picker, no double-booking, admin notifications. Set targets, get notified when BTC/ETH/SOL hits them. Free CoinGecko API, no key needed. python async def check alerts : alerts = get all active alerts coins = list {a 2 for a in alerts} prices = get prices coins for alert id, user id, coin, direction, target in alerts: price = prices.get coin hit = direction == "above" and price = target or direction == "below" and price <= target if hit: await bot.send message user id, f"Alert {coin} hit ${price:,.2f}" Job vacancy channel HH.ru API , Avito price monitor, restaurant reservations, English tutor, survey→Excel, auto-content scheduler. All 9 bots open source: https://github.com/Castanderness/telegram-bots-portfolio https://github.com/Castanderness/telegram-bots-portfolio Portfolio: https://castanderness.github.io/telegram-bots-portfolio/portfolio/ https://castanderness.github.io/telegram-bots-portfolio/portfolio/ Available for freelance — $49+ per bot, 2-5 day delivery.