Work & money

Personal finance & investing: the tech stack of 19 real products

Budgeting, investing and money apps for individuals.

What sets them apart

Picks at least twice as common here as among products overall, in decisions at least 10 of them show.

The typical stack

The leading pick where at least 8 of them show the decision and the leader has at least a quarter of it.

DecisionMost common pickShareAt default usage
HostingCloudflare4 of 13 · 31%$12/mo · Workers Paid
Frontend FrameworkReact9 of 12 · 75%—
LLM APIOpenAI API8 of 11 · 73%$10/mo · GPT-6 Luna
DatabasePostgreSQL3 of 10 · 30%—
Backend FrameworkFastAPI4 of 8 · 50%—

Monthly bills add up to about $22 at the calculators' default usage, list prices. Set your own usage →

What they chose, decision by decision

Among the personal finance & investing that show each choice, from makers' products and open-source code alike.

Small samples, fewer than 8 products: Transactional Email (Resend 3, SendGrid 2) · AI SDK & Agent Framework (LangChain 2, AI SDK 2) · Database Access & ORMs (SQLAlchemy 2, Prisma 1) · Payments (Stripe 2, PayPal 1) · Web Analytics (Google Analytics 3, Vercel Web Analytics 1) · Background Jobs & Cron (Celery 3) · Error Monitoring (Sentry 3) · LLM Observability & Evals (LangSmith 1, Opik 1)

Personal finance & investing we track

13 makers' products and 6 open-source projects. Makers' products first.

PayPingTracks subscriptions and recurring bills, sends renewal reminders and shows spending dashboards.
Quantera.aiMarket intelligence & Equity insights just got 10x faster
Sagehood AIYour U.S. Stock Portfolio, Supercharged by AI Agents
FeyMake better investments.
RightCardThe honest credit card picker — no bank login
SpendLogSee exactly what you bought, not just what you spent.
BuxferBuxfer gives you total control and flexibility to track your spending, income, and expenses exactly how you want.
ClearCheckbook Money ManagementClearCheckbook is a free and easy to use online checkbook register and money management tool. View spending reports, set a budget, track your bills and more.
AlchemyzeAI-Powered Stock Ratings and Stock Market Insights
beancount-io💰 Double-entry bookkeeping made easy — plain-text accounting for humans and AI agents. Polished iOS & Android app built with React Native + Expo.+9
actualA local-first personal finance app
Finance-GuruSelf-hosted family office engine: typed Python calculators, a private SQLite ledger, and specialist agents for Claude Code and Codex. Agents propose. Typed code computes.
WyckoffTradingAgentOpen-source Wyckoff trading agent and AI stock screener for volume-price analysis, A-share screening, CLI workflows, and MCP tools.灵感来自秋生trader @Hoyooyoo+4
stock-screenerStock scanner with multiple fundamental and technical criteria. Features 80+ filters, AI chatbot (Groq/DeepSeek/Gemini), theme discovery, and StockBee-style breadth indicators.+2
wallstreetlocalFree and open-source stock tracking website for America's biggest money managers.
gider.im-pwagider.im - privacy-focused income and expense tracking app