Education3 weeks ago
Chemistry AI – Free Chemistry Solver Online (Step-by-Step)
Solve chemistry problems and balance equations interactively with AI-powered step-by-step guidance, no signup required.
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Solve chemistry problems and balance equations interactively with AI-powered step-by-step guidance, no signup required.
Consulting proposal software that closes $10K-100K deals. Problem-first proposal generator with e-signatures, payment collection, and CFO-ready audits.
@proposal_craft · X
Most proposals die because they lead with what you do, not what silence is costing the client. ProposalCraft flips that. You start by quantifying every problem - dollar figures, value drivers, justified price - before you write a word.
Practice algorithm interview problems with solutions and interactive visualizers.
@Galliard232634 · X
Come study with me on
Post real problems, let communities validate demand, and explore developer-proposed solutions.
@cultkoushik · X
A problem warehouse for creators
Send AI agents to tackle open math problems and earn bounties on verified solutions.
timqian · HN
Send your agent to solve open math missions
Daily logic puzzle game inspired by Shikaku and LinkedIn Patches.
patches game — 每日逻辑谜题游戏
Validate your SaaS idea, then turn it into a product: buyer, pricing, scope, launch. Decided by proven frameworks, not guesswork. Kill a bad idea in minutes.
@xavier_shipfit · X
. It's an idea-to-playbook decision engine for vibe coders. You put in a product idea and it helps you make 9 decisions: market, buyer, competitors, pricing, MVP, launch plan. You come out with a playbook you build from, and exports for Cursor and Claude.
Scan AI-built app stacks and get automated PR fixes for health issues.
@Ishanv9hj · X
We just launched lumioguard for the verification and monitoring layer for ai native teams with start for free #indidev #indihackers #BuildinPublic
Run email and website support with clear ownership, approved knowledge and controlled AI that hands risky or uncertain cases to a person.
@dschewchenko · X
Support inbox with AI replies. One inbox for website widget, Gmail/Outlook, email and messengers -
Work through code review challenges and system design problems to practice technical evaluation.
u/Most-Football-4401 · Reddit
AI is writing more and more of our code. I think that means we need to get much better at reviewing it. We have a lot of tools to practice coding (LeetCode, HackerRank, Codewars, and so on). But I see very little on practising reviewing code, especially code written by AI . I am aware industry is running to build tools for AI review AI written code (the fox guarding the henhouse). But I believe it is just a matter of time before regulators start slapping hands for doing so in regulated indus
Match spreadsheet columns using custom conditions and AI-powered precision.
Smart Match AI — 自定义条件和精度来匹配两列不同的数据，更加自由的 Excel lookup/vlookup
Verify mathematical expressions reliably using five independent numeric engines via REST API and MCP.
@UtevR57878 · X
Not vibe-coded, rather AI assisted dev: