ByteWave

Our Software

ByteWave's own products and tools

We don't just build software on demand — we also develop our own products that solve specific problems for businesses and citizens. Each product is built with the real user in mind — and actively maintained. If you need a similar product for your market, we can build it.

Legal-Tech / AI

Lawyeah.pl

AI for law — virtual lawyer, document generator, profiles for law firms

PriceFreemium — free access with limits, full access in paid plan
PlatformWeb (browser-based)
LanguagePolish (Polish law)
Stack
Next.jsTypeScriptOpenAI APIPostgreSQLRAGLangChain
Open Lawyeah.pl

About the product

Legal-tech platform combining AI with Polish law. Six core tools: AI Virtual Lawyer answering legal questions, intelligent Case-Law Search, library of Document Templates, Write a Letter generator (AI creates a ready document), Check a Letter (AI analyses uploaded documents), and Knowledge Base with legal articles. The platform also offers dedicated Law Firm Profiles and Client Profiles — a firm manages its team and clients from a single account. Freemium model: selected features are available free with limits; full access in paid plan.

Features

  • AI Virtual Lawyer — answers to legal questions (free with limit, full access in Pro)
  • Court Case-Law Search Engine (free with limit, full access in Pro)
  • Document Templates — ready-to-use legal forms (free with limit)
  • Write a Letter — AI document generator (paid for individuals)
  • Check a Letter — AI analysis of uploaded documents (paid for individuals)
  • Knowledge Base — legal articles and guides
  • Law Firm Profiles — dedicated accounts with full tool access (limits in free, full scope in Pro)
  • Client Profiles — access via the law firm
  • Polish language, Polish law

For whom

Citizens looking for quick legal answers, law firms needing an AI toolset, clients of law firms, companies needing preliminary legal analysis.

Designed for the Polish market — let us know if you need a similar solution for your country.

E-invoicing / WooCommerce

ByteWave KSeF for WooCommerce

WooCommerce plugin for automated e-invoicing in KSeF

PriceFree 0 PLN / Pro from 69 PLN net/year
PlatformWordPress + WooCommerce
RequirementsWordPress 6.x, WooCommerce, PHP 7.4+, KSeF access
LicenseGPL v2+ (Open Source)
Support24h response
See KSeF WooCommerce

About the plugin

Professional WooCommerce plugin that automates the issuance and submission of e-invoices to the Polish National e-Invoice System (KSeF). Compliant with the FA(3) format, validates XSD, encrypts tokens, fetches UPO confirmations. The Pro version adds automation, bulk issuance, offline mode with auto-resending, KPI reports, and a dedicated "Accountant KSeF" role.

Features

  • Manual KSeF e-invoice issuance (Free)
  • XML generation in FA(3) format (Free)
  • XSD validation (Free)
  • Submission to KSeF — test, demo, and production environments (Free)
  • UPO download (Free)
  • Token encryption (Free)
  • Automatic invoicing after payment (Pro)
  • Bulk invoice issuance (Pro)
  • Offline mode with automatic resending (Pro)
  • KPI reports and dashboard (Pro)
  • "Accountant KSeF" role with dedicated permissions (Pro)
  • Technical support (24h response)

Plans

Free
Free
forever
Starter Pro
69 PLN
net / year
Firma Pro
99 PLN
net / year
Agencja Pro
119 PLN
net / year

For whom

WooCommerce online stores, accounting offices serving e-commerce, WordPress implementation agencies.

Designed for the Polish market — we can build similar e-invoicing integrations for your country's tax system.

We're working on more products

Got an idea for a SaaS product or app? We'll help you build it — from validation, through MVP, to scaling.

Let's talk about your idea

Have a project idea?

Let's talk about how we can make it happen.

Get in touch