
KiTTY
PuTTY
MobaXterm
ConEmu
iTerm2
Gnome Terminator
GNOME Terminal
PowerShell
PostalDataPI
Smarty
Melissa Data Quality
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate โ $0.000028 per query with no tiers or subscriptions.
What you get back: Up to 18 metadata fields per postal code โ city, state/region, coordinates, timezone, three levels of administrative hierarchy, elevation, and more. Sub-5ms cached responses.
Works everywhere: US ZIP codes, UK postcodes, German PLZ, Japanese postal codes, Canadian FSAs, and 230+ more. Format normalization handles case, spacing, and hyphen variations automatically.
Get started in 60 seconds: 1,000 free queries on signup, no credit card required. SDKs for Python and Node.js. MCP server for AI agents (Claude, Cursor, etc.).
Built for developers: REST API, consistent JSON responses across all countries, OpenAPI spec, llms.txt for AI agent discovery.
PostalDataPIKiTTY is recommended for developers, network administrators, and IT professionals who regularly use SSH and telnet protocols, especially those who require advanced features and automation in managing their connections. It is also a good option for anyone looking for a portable, customizable terminal emulator.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.
iTerm2 - A terminal emulator for macOS that does amazing things.