
roastmyad.lol — We roast your ad. Then we butter it up.
Paste an ad to get an AI roast with a Butter Score, then rewrite it for better conversions.
@HowardYHuang · X
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Paste an ad to get an AI roast with a Butter Score, then rewrite it for better conversions.
@HowardYHuang · X

Estimate monthly payments for mortgages, auto loans, and personal loans with free calculators—no signup required.
@itskdubs_ · X

Select a crop to calculate its value, mutations, and trading profit.
growagarden-calculator — 页面精美、功能强大的 《Grow a Garden》 游戏交易 / 攻略工具,在疯狂圈粉 1600 万 + 玩家的 Roblox 神作《Grow a Garden》中,想靠“三秒算账”闯荡菜市?这就是 Grow a Garden Calculator 存在的意义:帮你秒算作物价值、预测突变收益,还附送一整套天气 / 交易 / 攻略工具,专治“不会算

Use 32+ free calculators for business metrics like profit margin, break-even, and self-employment taxes.
@BizCalcLab · X

Collection of 48 free online calculators for finance, health, math and everyday planning.
@avinashraj61815 · X
i vibe coded this week

Calculate van life costs by state with breakdowns for gas, insurance, camping, and maintenance.
guangyu_wang1 · Product Hunt
Vanyage Van life cost calculator & AI trip planner

Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react

Upscale and enhance photos with AI up to 10x resolution.
Mejorar Imagen — AI 图像增强器:用 AI 将图片放大 10 倍,最高提升到 12K 分辨率

AI personal assistant accessible via WhatsApp for reminders and expense tracking.
u/Limp-Upstairs6798 · Reddit
People don't want another productivity app I've been building an AI personal assistant that lives entirely inside WhatsApp. Instead of asking people to download yet another productivity app, create an account and learn a new interface, they can simply send a message like they normally would. For example: - "Remind me to pay rent next Friday." - "I spent $28 on groceries." - "Remember my passport is in the top drawer." - "Add milk and eggs to my shopping list." - "Share this shop

Find the fairest meeting point for 2-10 people with AI recommendations for cafes, restaurants, and more.
MeetSpot 聚点 — 多人聚会地点智能推荐工具,输入 2-10 人地址,用球面几何算法计算公平中点,AI 评分推荐附近高评分场所,覆盖 350+ 城市,免费使用无需注册。

Get a free API key with email to access 500+ Hugging Face models.
@pengsonal · X
500+ Hugging Face models through a single free API no credit card just an email signup 😳 launched on July 3 as a unified gateway for Hugging Face models one API key one endpoint 500+ models what you get for $0: • 500+ open-source models through an OpenAI-compatible API • no separate API keys for different providers • works with Cursor, Claude Code, Hermes, OpenCode, and anything that supports a custom base URL • email signup only setup takes about 2 minutes: 1. Go to 2. Sign up with your email 3. Generate an API key 4. Set your base URL to 5. Choose any model from the catalog and start building a few things worth knowing: • is a third-party gateway, not an official Hugging Face product • the free tier is rate-limited, but the exact limits haven't been published yet • i wouldn't build production apps that depend entirely on a free aggregator what i like is the simplicity instead