A financial terminal for macOS. Type a short code, get an analyst function — about 138 of them, from company financials to options gamma to central-bank rate odds. Open source, runs entirely on your own machine, no subscription, no broker lock-in.
What is it · Preview · How it works · Functions · Honesty · Get started · Architecture
showMe is a desktop financial terminal for macOS. Instead of hunting through menus, you drive it the way
professional desks do: type a short function code into a command line and the matching analyst tool opens —
FA for financial statements, GEX for options gamma exposure, WIRP for rate-hike odds, ECO for the
economic calendar. There are about 138 functions spanning equities, options, bonds, FX, commodities, macro,
news, and portfolio analytics.
It's the kind of professional terminal workflow you'd otherwise pay for in a Bloomberg Terminal — rebuilt as open source, running entirely on your own Mac, with no subscription and no broker lock-in.
Under the hood: a thin Tauri 2 (Rust) shell with a signed updater, a React + Vite UI, and a unified Python (FastAPI) sidecar that runs the function engine locally. Your data and keys never leave the machine.
showMe has one core idea: a command line for markets. Press the palette shortcut, type a short code, hit enter — the function opens as a pane. No two functions look the same, because each is a purpose-built tool, but they all share the same launch gesture. If you know the code you want, you're one keystroke away; if you don't, the palette filters by name as you type.
A taste of the breadth — twelve representative codes:
| Code | Function | What it shows |
|---|---|---|
FA |
Financial Analysis | Income statement, balance sheet, cash flow |
DCF |
Discounted Cash Flow | Intrinsic-value model from projected free cash flow |
GEX |
Gamma Exposure | Dealer hedging structure across the option chain |
OMON |
Option Monitor | Single-name option chain with Greeks |
WIRP |
World Interest Rate Probability | Market-implied rate-hike / cut odds |
YAS |
Yield & Spread Analytics | Bond yield, spread, and curve positioning |
ECO |
Economic Calendar | Upcoming macro releases and prints |
CORR |
Correlation Matrix | Cross-asset correlation grid |
PORT |
Portfolio Analytics | Holdings, exposure, and performance |
ESG |
ESG Scores | Environmental / social / governance ratings |
GMM |
Global Macro Movers | What's moving across global macro |
BRIEF |
Daily Brief | A composed morning read across your surfaces |
About 138 functions across 14 categories. The exact set evolves; run npm run audit:functions for the live
list. A representative slice by category:
Show the function catalog
Equities & fundamentals — FA financials · DCF / DDM discounted cash flow · DCFS DCF sensitivity ·
RV relative valuation · WACC cost of capital · BETA CAPM beta · EE earnings & estimates ·
EREV earnings revisions · ANR analyst recommendations · DVD dividends & splits · HDS holders ·
HFS holder search · FORM4 insider transactions · DARK / DPF dark-pool volume · CACT corporate actions ·
FTS SEC full-text search · PIB public information book · DES description · EQS equity screener.
Options & derivatives — GEX gamma exposure · OMON option monitor · OVME option valuation (Black-Scholes + Greeks).
Bonds & rates — YAS yield & spread · CRVF yield curve · GC3D 3-D yield curve · WB world bonds ·
SRSK sovereign risk · TAUC Treasury auction calendar · CRPR credit-rating profile.
FX — FXH FX hedge · FXFC FX forecasts.
Commodities — oil, natural gas, metals and weather-linked commodity functions (BOIL, NGAS, GLCO, WETR, …).
Macro & economics — ECO economic calendar · ECST economic statistics · ECFC economic forecasts ·
WIRP rate-probability · GMM global macro movers · REGM market regime · BTMM country rate environment ·
COUN country guide · TRDH trading hours.
News & intelligence — TOP top news · CN company news · NI news by topic · BRIEF daily brief ·
TLDR daily TL;DR · NSE news search · SOSC social sentiment · TRAN earnings-call transcripts ·
TRQA transcript Q&A · TSAR transcript sentiment · EVTS corporate events · NALRT critical news alerts ·
READ reading list · AV audio/video archive.
Portfolio & risk — PORT portfolio analytics · PORT_OPT optimizer · CORR correlation matrix ·
GREEKS portfolio Greeks · PVAR position VaR / MCR · STRS stress test · PFA performance attribution ·
BLAK Black-Litterman · RPAR risk parity · REBA rebalancer · PSC position sizing · TLH tax-loss harvesting ·
LOTS tax lots · MGN cross-account margin · ACCT multi-account aggregation · PCAS PCA factor stress ·
MLSIG ML signal · BMTX backtest matrix · BTFW walk-forward · BTUNE auto-tuner.
Screen & maps — SECT sector heatmap · ICX index constituents · MAP world market heatmap ·
MICRO market microstructure · FRH funding-rate heatmap.
Trade execution — EXEC execution monitor · TCA trade-cost analysis · EMSX execution management.
Reference & data — ISIN symbol cross-reference (OpenFIGI) · FLDS field lookup · DAPI data API ·
BQL query language · BQUANT notebook.
Alt-data & alerts — ONCH on-chain metrics · WHAL whale alerts · POLY Polymarket · SAT satellite imagery ·
ALRT alerts · CDE custom data fields.
A finance tool is only as trustworthy as the data behind it, so showMe is explicit about provenance.
- Data-mode pills. Every function pane labels where its numbers came from — live exchange/vendor data, delayed reference data, or a modeled value (e.g. option Greeks computed from a pricing model).
- Strict-zero gate. When a live source is unavailable, a function shows a
PROVIDER_UNAVAILABLEstate instead of inventing plausible-looking fake data. No silent fakery.
| ✅ It is | ❌ It isn't |
|---|---|
| A local, open-source financial terminal | A live-money broker by default — execution is paper trading out of the box |
| macOS (Apple Silicon) native app | Cross-platform — there is no Windows/Linux/Intel build |
| 100% local — your data and keys stay on the machine | A cloud service — there are no showMe servers |
| MIT-licensed, free, no subscription | Investment advice or a guarantee — provided as-is, no warranty |
flowchart LR
user(["You"]) -->|type a function code| react
subgraph shell["Native shell"]
tauri["Tauri 2 / Rust<br/>lifecycle · tray · menubar<br/>signed updater · Keychain"]
end
subgraph ui["UI process"]
react["React + Vite + Tailwind<br/>zustand store<br/>command palette · i18n (12 langs)"]
end
subgraph backend["Python sidecar"]
fastapi["FastAPI<br/>/api/health · /function-index · /fn/*"]
engine["Function engine<br/>~138 functions · 14 categories"]
data["Data layer<br/>providers · data-mode tagging"]
end
react -->|IPC| tauri
tauri -->|spawn + HTTP| fastapi
react -->|fetch JSON| fastapi
fastapi --> engine --> data
classDef shellNode fill:#dc572115,stroke:#dc5721,color:#dc5721
classDef uiNode fill:#61dafb15,stroke:#61dafb,color:#1f6feb
classDef beNode fill:#1f6bff15,stroke:#1f6bff,color:#1f6bff
class tauri shellNode
class react uiNode
class fastapi,engine,data beNode
The Tauri shell discovers the sidecar's port from a single stdout line (SIDECAR_PORT=<u16>), restarts it up to
3× with exponential backoff on failure, and tears it down with a SIGTERM → 5 s grace → SIGKILL on quit. The
WKWebView stays presentation-only; all native chrome (menubar, tray, dock, deep links, hotkeys, biometric unlock)
lives in Rust.
| Layer | Stack |
|---|---|
| Native shell | Tauri 2 (Rust), code-signed .app + .dmg, signed updater |
| UI | React 18 · Vite 5 · Tailwind 4 · zustand 5 · TypeScript 5 · lightweight-charts 5 |
| Backend | Python 3.11+ · FastAPI · Uvicorn · pydantic 2 · DuckDB · Polars |
| Packaging | PyInstaller (arm64 onedir sidecar) |
Most functions pull keyless, public data; a few are opt-in and need a key.
| Provider | Used for |
|---|---|
| yfinance | Equities, ETFs, FX, commodities, bonds — OHLCV and quotes |
| Binance | Crypto spot and perpetuals |
| FRED | Macro time series |
| SEC EDGAR | Filings and full-text search |
| GDELT | Global news / events |
| OpenFIGI | Identifier cross-reference (ISIN / CUSIP / ticker) |
| Treasury Direct | US Treasury auctions |
| RSS feeds | Configurable news |
These are off by default and each needs its own model or key:
| Feature | What it does | Needs |
|---|---|---|
| FinBERT sentiment | Scores news headlines positive / neutral / negative | Bundled model (first call loads it) |
| Whisper transcription | Turns earnings-call audio into text | Local Whisper model |
| X / social sentiment | Sentiment on posts mentioning a ticker | Your X API key |
| LLM assistant | A conversational analyst over your data | OpenAI key or a local Ollama model |
Grab the latest signed build from Releases
(showMe_0.1.1_aarch64.dmg, macOS Apple Silicon).
# 1 — UI deps
cd ui && npm install && cd ..
# 2 — sidecar deps
cd backend && python3 -m pip install -e ".[dev]" && cd ..
# 3 — run dev (Tauri spawns the sidecar + UI together)
npm run tauri:devNo Rust toolchain? Inspect the UI in the browser:
# terminal 1
cd backend && python3 -m showme.server --port 8765
# terminal 2
cd ui && npm run dev # http://localhost:5173bash packaging/build_sidecar.sh # PyInstaller arm64 sidecar
npm run tauri:build # .app + .dmgSigning and notarization (optional, needs Apple credentials) live in packaging/sign.sh and
packaging/notarize.sh.
Show the directory tree
showMe/
├── tauri/ Native macOS shell (Rust): lifecycle, tray, menubar, deep-link, biometric
├── ui/ React + Vite + Tailwind + zustand frontend
│ └── src/ shell · panes · functions · command-palette · i18n (12 langs) · design-system
├── backend/ Python FastAPI sidecar + function engine
│ └── showme/ server · function_contracts · providers · brokers · agents
│ └── engine/functions/ the ~138 functions, in 14 category folders
├── packaging/ build / sign / notarize / dmg
├── scripts/ audits & dev tools (npm run audit:functions, …)
├── tests/ cross-cutting Playwright e2e
└── docs/ architecture, screenshots, specs, plans
npm run test:backend # backend pytest suite
npm --workspace ui test # UI vitest suite
npm run test:e2e:smoke:fast # fast Playwright smoke path
npm run audit:functions # live function inventory
npm run lint && npm run lint:pyContributions welcome — see CONTRIBUTING.md and SECURITY.md.
MIT © 2026 Nazmi Efe Armutcu. Provided as-is, with no warranty. Not investment advice.