Port Zero vs MockForge

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Port Zero compared with MockForge
Detail	Port Zero	MockForge
What it does	Stable domains for local development ports, eliminating conflicts with free open-source tunnels and paid cloud options	Open-source API mock server for multiple protocols
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free and Open Source: $0 (unlimited local tunnels, open source); Professional: $49/mo or $490/yr (unlimited cloud tunnels, visitor auth, feedback comments); Team: $149/mo or $1,490/yr (everything in Professional plus unlimited members, teams, shared subdomains, approvals, organization billing); Ente	Free: $0/month with 10,000 requests/month and local mocks only. Pro: $29/month with 250,000 requests/month, 100,000 platform AI tokens/month, and 3 hosted mocks. Team: $99/month with 1,000,000 requests/month, 1,000,000 platform AI tokens/month, and unlimited hosted mocks. Annual plans include 2 mont
Key features	Stable local domains (.portzero.local) for processes and containers Cloud tunnels (.tunnel.portzero.cloud) with HTTPS for LAN and internet access Support for multiple programming languages Git worktree support with per-branch URLs AI agent integration with MCP server Visitor authentication and access control Feedback comments on live tunnels Team access policies and approvals Audit log (Enterprise plan) Organization billing with no per-seat charges	Multi-protocol support (REST, gRPC, GraphQL, WebSocket, Kafka, MQTT and more) Realistic data synthesis with template tokens and faker fields Latency and fault injection for testing retries and fallbacks Record and replay for capturing and replaying live traffic Modern admin UI for managing servers, overrides and metrics Configuration as code with OpenAPI specs and YAML Local-first development without account requirement CI integration with local endpoints HTTP bridge exposing gRPC services over REST BYOK AI integration with user provider keys
What makes it different	Eliminates port conflicts by assigning stable virtual domains instead of port numbers Free and open source for local use; no additional cost for cloud features on paid plans Flat pricing with no meters, overages, or per-seat charges Agent-ready with native MCP server integration for AI coding agents Works across multiple OS and languages with zero port bookkeeping required	Multi-protocol mocking from one configuration file Realism-first simulation with data synthesis and failure injection Open source with permissive MIT or Apache-2.0 licensing Local-first approach with optional cloud collaboration Deploy to cloud hosting with a single command
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	9 no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	26	17
Referring domains (Majestic)	135	7

5 details filled in for both companies.

More alternatives to Port Zero More alternatives to MockForge