Software stack field notes. Real numbers, ops trade-offs, and sanity checks.

Replaces:OpenRouterLiteLLMPortkey

OmniRoute

Free MIT AI gateway: one OpenAI-compatible endpoint across 359 providers and 1200+ models, with quota-aware fallback, compression, and MCP tools.

AI Design and PrototypingArchitecture review

Replaces:SketchUpBlenderSweet Home 3D

Pascal Editor

Open-source local-first 3D building editor with React Three Fiber scenes, local CLI, and MCP tools for agent-driven architectural modeling.

Replaces:Unstructured LLM Business AdviceGeneric Startup BooksPaid Advisory Retainers

Founder Playbook

Open-source system of 16 structured agent skills distilling business frameworks into progressive decision trees and execution rubrics for coding agents.

Replaces:CodeRabbitQodo (Codium)Unstructured Claude Code Review Prompts

Open Code Review

Open-source AI code review CLI combining deterministic Go file bundling and rule matching with LLM agents for line-precise pull request feedback.

Replaces:LLMLinguaUncompressed Agent Tool ContextCustom Prompt Truncation ScriptsRolling Window Context Managers

Headroom

Open-source context compression layer for AI coding agents and LLM workflows, cutting repetitive tool outputs and JSON tokens with reversible retrieval.

AutomationArchitecture review

Replaces:BufferHootsuiteLaterSprout Social

Postiz

Open-source social media scheduling tool with 38 platform integrations, Temporal workflow engine, AI composer, and native MCP agent support.

Replaces:Google Translate APIWhisper + ElevenLabs APIsPocketalk / Vasco translation hardware

Gemma Translator

Google's open-source fully offline voice translator appliance running Gemma 4, LiteRT-LM, and Moonshine on a Raspberry Pi 5.

Replaces:AppiumDetoxEspresso / XCUITest boilerplate

Maestro

Mobile-dev's open-source declarative mobile UI testing framework using dadb and XCTest to drive Android, iOS, and web without flakiness.

Replaces:Tailwind UIUI8CruipPreline Pro

Opensource UI

Free MIT-licensed copy-paste library of 150+ production-ready React and Next.js components built with TypeScript and Tailwind CSS v4.

Replaces:DevinOpenAI OperatorCloud Agent WorkbenchesBotpress / Flowise Cloud

Hermes Agent

Open-source self-improving AI agent by Nous Research with persistent memory, autonomous skill synthesis, and a multi-platform messaging gateway.

Replaces:DevinOpenAI OperatorCommercial Agent WorkbenchesBotpress / Flowise Cloud

OpenClaw

Open-source self-hosted AI assistant by Peter Steinberger featuring a unified WebSocket gateway, device nodes, and multi-channel chat routing.

Replaces:Grok BotDevinMulti-agent Cloud PlatformsCursor Team Workbenches

OpenMausBot

Local-first open-source Grok Bot alternative—run a team of Claude and Codex agents in a unified desktop messaging app.

Replaces:Opaque Social Feed Black-BoxesHeuristic-Heavy Recommendation Pipelines

X Algorithm

Deep dive into xAI's open-source Rust Home Mixer, Phoenix recommendation models, candidate retrieval, ranking, and visibility filtering pipeline.

SEO & GrowthDeployment note

Replaces:AhrefsSemrushScreaming FrogBrightEdge

OpenSEO

Open-source pay-as-you-go alternative to Semrush & Ahrefs with native MCP support for AI coding agents.

AI Design and PrototypingArchitecture review

Replaces:Mermaid.jsdraw.io / diagrams.netExcalidrawEraser.io / PlantUML

Diagram Design

Open-source editorial diagram skill for AI code agents—39 types, HTML+SVG, brand onboarding, zero-JS static output; vs Mermaid/Eraser.

AI Design and PrototypingArchitecture review

Replaces:Claude DesignFigma (agent-era canvas)Lovable / v0 / Bolt

Open Design

Open-source Claude Design alternative—local daemon, 25 CLIs, DESIGN.md; not a production diary.

AutomationArchitecture review

Replaces:Slack + botsDiscord + botsLinear + chat sprawl

Buzz

Block's self-hostable human+agent workspace on a Nostr relay—vs Slack/Discord bot glue; not a production diary.

EmailArchitecture review

Replaces:Google WorkspaceZoho MailFastmail

Agentic Inbox

Cloudflare Agentic Inbox is an Apache-2.0 self-hosted email client combining Cloudflare Workers, Durable Objects, R2, Email Service, and Workers AI.

DatabaseDeployment note

Replaces:Amazon RDSSupabase Cloud DBNeonPlanetScale

Self-Hosted PostgreSQL

July 2026 Ankik field note: self-hosting PostgreSQL reduced infrastructure cost, while backups, patching, and recovery became our responsibility.

DatabaseDeployment note

Replaces:FirebaseAWS AmplifySupabase Cloud

Supabase

Open-source Firebase alternative: managed Postgres, Auth, Storage, and Realtime. Choose Cloud ($25/mo) unless self-hosting capacity justifies ops cost.

Free Diagnostic Tool

The Stack Decision Checklist

Keep, Configure, Replace, or Build in four short steps. Test business fit, team ops capability, and true TCO before migrating.

Open Checklist

Guides & comparisonsFrameworks & Audits

Audit Guide

How to Audit SaaS Sprawl & Tooling Costs

Inventory every subscription, map real use, then Keep / Configure / Replace / Build—with cost math, not vibes.

Reviewed 7 Aug 2026Read Guide →

Methodology

Evaluating Self-Hosted & Open Source Alternatives

When self-host cuts real cost—and when Cloud or SaaS is still the honest call. Ops checklist over hype.

Comparison

Supabase vs Self-Hosted PostgreSQL

Field-note comparison: managed Supabase, self-hosted Supabase, and Postgres-only on a VM—May–August 2026 numbers, not a live price list.

Comparison

SaaS vs Self-Hosting: When the Invoice Lies

When self-hosting cuts real cost—and when managed SaaS is still the honest call. Dated Ankik and Stack Review numbers, not a universal rule.

Comparison

Keep vs Configure vs Replace vs Build

Four-way software decision table used in Emiote Stack Reviews: when to keep a tool, fix its setup, swap it, or build.