Jupyter Notebook
jupyter.orgAn interactive browser notebook for mixing executable code, narrative, and rich results in one computational document.
An interactive browser notebook for mixing executable code, narrative, and rich results in one computational document.
A composable pipeline for collecting, transforming, and routing logs and metrics.
A local API-mocking desktop app and CLI for replacing live services during development and tests.
Define JavaScript and TypeScript schemas that validate data and infer its types.
Apple expense tracking with a free starter budget and recurring-entry controls
Bitcoin prices, network activity and mining statistics together
A restrained set of interface symbols as SVG files and an icon font.
Drive a chosen rate of HTTP requests and turn response samples into load-test reports.
Show estimated cloud-cost changes and FinOps checks alongside infrastructure code reviews.
Resolve an IP address to structured location, timezone and network-related fields through a REST endpoint.
Turn address text into OpenStreetMap place results, or look up an address from coordinates.
Explore Lightning nodes, decode invoices and monitor channel activity
Serialize and deserialize Rust data structures through a shared data-model framework.
Work with files and command output as structured records and tables in a cross-platform shell.
Find chain IDs and RPC connections for EVM networks
Search public Lightning nodes and compare capacity and channel trends
Build Python HTTP APIs with typed parameters and automatically generated OpenAPI documentation.
AI-guided cloud-native observability for telemetry, service health, and cost control.
Measure browser page-load and interaction performance with repeatable local or containerized runs.
Visually reshape and convert tabular data on desktop
Calculate portfolio returns from a complete transaction history
Email API and SMTP sending with inbound message routing to applications
Hosted forms with verified notification recipients and a response inbox
Retrieve financial series, indicators and market news through APIs