• Use Soulver's natural language math engine in your Swift apps.

import SoulverCore
let calculator = Calculator(customization: .standard)
let result = calculator.calculate("45 is what % of 120")

SoulverCore is available as a closed-source xcframework for Apple platforms, and as a dynamic library on Windows & Linux.

• Quickly parse dates from strings in any common format, and power natural language date entry features in your Swift apps.

import SoulverCore
let date = "two weeks ago".dateValue

• A new declarative and type-safe approach to parsing data points from strings (an alternative to regex).

import SoulverCore
let duckCount = "There are 3 ducks in the pond".find(.number)

Standalone versions of Soulver for use from the Terminal

• Soulver CLI (for macOS)
• Soulver CLI (for Windows)

• Demonstrates how to build a simple Soulver-like Mac app in Swift & AppKit using SoulverCore
• Supports variable & syntax coloring

An experimental series of advanced Soulvers for testing out new ideas & workflows

• X1 (2024) introduced multiple tabs per sheet, the header sheet for defining new entities & connecting sheets to JSON APIs, and custom natural language functions
• X2 (2025) introduced inline subsheets, dividers & slider tokens