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Internal Tools with AI

Build the trackers, dashboards and request apps your team needs, or replace software you pay for with your own.

86 articles · 1 topics · Updated Nov 12, 2026
A 3D render of a solid metal database cylinder unfolding like a pocket multi-tool to reveal several different utility attachments hidden inside.
Build vs Buy Software ·

5 SaaS Tools You Can Replace With Open-Source Postgres and Local AI

Vector search, full-text search, pub/sub, transcription, and LLM inference now run on Postgres extensions and local models. Here's the benchmark and cost data.

replace SaaS with postgrespgvector vs pineconepostgres full-text search vs elasticsearch
A simple chat interface being systematically unpacked into discrete data components and reassembled into a multi-panel application window.
Build vs Buy Software ·

Converting a Custom GPT into a Remy App

Converting a Custom GPT into a Remy app through inventory, a migration packet, and a spec-driven rebuild that preserves behavioral parity.

convert custom gpt to appmigrate custom gptopenai gpt migration
A pair of hands unscrews the plastic casing of a video game cartridge, pulling out a long, continuous paper ribbon of printed source code from the circuitry inside.
Build vs Buy Software ·

What Game Decompilation Teaches Us About Owning Software vs. SaaS

RE4, Mario 64, and Ocarina of Time decompilers rebuilt source code by hand. Here's what that reveals about the real benefits of owning software vs SaaS.

owning software vs SaaSbenefits of software ownershipSaaS waste statistics
Tiny figurines plug network cables into the ports of a giant server rack.
Build vs Buy Software ·

Easy Self-Hosting Alternatives to Big Tech SaaS in 2026

Coolify, Umbrel, and other turn-key platforms make self-hosting practical. What's driving the shift, what you can replace today, and the real costs.

self-hosting alternativesself-hosted SaaS replacementsCoolify
A person welds together a custom dashboard from glowing glass panels, while a generic store-bought dashboard leaks red ink onto the desk beside them.
Build vs Buy Software ·

Niche SaaS Is Bleeding Out as Clients Build It Themselves

AI coding agents let teams replace mid-priced SaaS in days, not weeks. Here's the data on who's building, who's buying, and what still needs a vendor.

build vs buy internal tools with AIAI coding agents replace SaaSinternal tools with AI
A person peels the yellowed, faded top layer off a continuous legacy code printout to reveal clean, glowing modern code underneath.
Build vs Buy Software ·

5 Legacy Codebases AI Can Now Modernize and Let You Own

From 1993 Amiga assembly to 220 billion lines of COBOL, AI now automates the expensive part of modernization: understanding old code. Here's the proof.

AI legacy code modernizationmodernize COBOL with AIAI code migration
Tiny figurines compare price tags attached to a giant ID card.
Build vs Buy Software ·

Building vs. Buying Identity Verification: The Real Cost Comparison

Per-check pricing makes buying identity verification look cheap. The IDScan and IDMerit breaches show what that price leaves out. Here is the real math.

cost of building vs buying identity verificationidentity verification SaaS breachKYC build vs buy
A standard home network router where miniature brass plumbing valves are attached to each of the ethernet ports to manually shut off the flow of trackers.
Build vs Buy Software ·

How to Block Network Trackers With DNS

ISPs and IoT devices monetize every DNS query by default. Here's how self-hosted and protective DNS filtering block trackers network-wide.

block network trackers dnspi-hole setupprotective dns
A cursor drops a bulky 'update' module onto a software dashboard, physically crushing the useful panels beneath it.
Build vs Buy Software ·

Verschlimmbesserung: Why SaaS Software Gets Worse Over Time

A German word explains why subscription software keeps 'improving' its way into being worse and pricier. Here's the mechanism, the cost data, and the fix.

why does saas get worse over timeverschlimmbesserungenshittification
A person holds an impossibly long receipt that trails across the floor, crossing out dozens of duplicate line items with a thick red marker.
Build vs Buy Software ·

The 2026 SaaS Waste Breakdown: The True Cost of Rented Software

2026 data shows 25-48% of SaaS budgets go to unused licenses and duplicate tools. Here's the real breakdown and why owning software beats renting it.

how much saas budget is wastedsaas waste 2026unused software licenses