The native macOS alternative to Process Explorer with advanced process monitoring capabilities
A fast, private and offline API client for REST, gRPC, GraphQL and WebSocket services
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free version with core features; paid license $34.99 USD for lifetime updates and unlimited devices. Also available on Setapp for $14.99/year or $34.99 lifetime.
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Key features
Per-process CPU and memory history
Process tree visualization with XPC service linking
Real-time disk I/O and memory pressure monitoring
CPU QoS breakdown and memory footprint analysis
Menu bar dashboard for system health tracking
Multi-property and regex search
JavaScript-based advanced filters
Deep process inspection with signature and entitlements info
CSV export for historical data and reporting
REST and HTTP with every method, query and path params, JSON, XML, text, form-data, URL-encoded and binary bodies
gRPC with server reflection or proto files, unary and server-streaming calls, metadata and trailers, TLS and mutual TLS
GraphQL queries and variables with data and errors split out
WebSocket text, JSON and binary messages with live message log
Traffic proxy to capture HTTP(S) traffic of apps and phones
Python scripting for pre and post-request scripts with tests
Test cases and CI integration with chapar-cli
Environments with variables and secret values encrypted with OS keychain
Import Postman collections, OpenAPI specs and proto files
Code generation for cURL, Python, Go, JavaScript, Java, Ruby and .NET
What makes it different
Visualize complex process hierarchies with automatic XPC service linking
Advanced JavaScript filtering and multi-property regex search
Historical performance tracking with peak and average metrics
Retains information about finished processes for later analysis
Fully private with no data collection or remote transmission
Local-only data with no cloud sync or telemetry
GPU-rendered native UI that starts quickly and runs on macOS, Linux and Windows without a browser engine
Collections stored as YAML files in git for version control
Built-in traffic proxy for inspecting and importing HTTP(S) traffic from other apps
ProcessSpy
Chapar