Business Software & SaaS

Tools that make
operations run.

We build practical software — workflow automation, operational calculators, and SaaS tools designed to reduce friction and eliminate manual work across your business.

Services

Built for real operational use.

Every project starts with a workflow problem worth solving. We build things that hold up in daily use — not demos.

⚙️
Workflow Automation

End-to-end process automation connecting field software, accounting, CRM, and communication tools. Eliminate manual re-entry and the errors that come with it.

n8nAPI integrationWebhooks
🔧
SaaS & Web Tools

Operational calculators, estimating tools, and reference applications built for specific industries. Fast, data-driven, and embeddable with no lock-in.

ReactStatic deployNo lock-in
🔗
Systems Integration

Connect disparate platforms — field service, accounting, documents, communication — into a stack that actually talks to itself.

REST / GraphQLOAuth2FastAPI
📱
Mobile Applications

iOS applications for field and office operations. Designed for zero-friction capture, background processing, and offline-first reliability.

Swift / SwiftUIiOSOffline-first
📊
Data & Reporting

Turn raw operational data into usable dashboards and automated reports. Surfaced where decisions get made, not buried in exports.

PostgreSQLGoogle SheetsScheduled reports
🤖
AI Integration

Practical AI — document processing, intelligent classification, automated drafting, agent workflows. Useful features, not demos.

Claude APIOCR / VisionLocal LLM
Tools

Free operational tools.

Reference tools for real business use. No account required. We build these to solve specific problems and make them freely available.

● Live
Wood Movement Calculator

Dimensional change estimates for 36+ species using USDA Forest Products Lab shrinkage data. Input location, lumber size, grain, and application — get precise movement ranges in fractions of an inch.

Open Calculator
◌ Coming Soon
More Operational Tools

Our team is building additional tools for estimating, material tracking, job cost analysis, and more — on the same no-frills, no-account-required foundation.

Get Notified
How We Work

Direct. No overhead.

Define the Problem

We map the workflow, identify the friction, and set a measurable outcome — before writing a line of code.

Build Working Software

Working prototypes before polished interfaces. Function first, refinement after. No bloated discovery phases.

Deploy & Integrate

We handle the last mile — hosting, credentials, integrations, edge cases. Delivered working, not just technically complete.

Maintain & Extend

We build for maintainability and stay engaged for the fixes, updates, and next features that come with real use.

About

Built by people who understand the work.

Solid Line Development is a software operation focused on tools that serve real business workflows — the kind of operational problems that off-the-shelf software either ignores or over-engineers. Our team approaches software the way good tradespeople approach their craft: measure twice, build once, no shortcuts on the parts that matter.

We're focused on tools that are genuinely useful. If it doesn't make the workday measurably better, it doesn't ship.

Solid Line Inc. · California Corporation
solidline.dev is a DBA of Solid Line Inc. · San Diego, CA
SaaS + Tools
Operational software focus
iOS · Web
Platform coverage
Self-hosted
No subscription lock-in philosophy

Have a workflow problem worth solving?

Reach out. Our team will tell you whether software can fix it.

Get In Touch →