● Free software with professional support
Open technology for
businesses that grow seriously
We implement, host and support open source solutions for electronic invoicing, payroll, laboratories and digital signature — designed for the Costa Rican regulatory framework.
ECM — Efficient Company Manager
Ready-to-deploy Odoo suite: electronic invoicing (Hacienda 4.4), complete Costa Rican payroll and integrated accounting. Built for professional services firms, law offices and consultancies.
Electronic invoicing CR 4.4
Issues FE, TE, CN and DN with XAdES signature and direct submission to Hacienda via the djfacturador REST API.
CR payroll with CCSS
Automatic computation of income tax withholdings (Art.33 LISR), CCSS contributions, family tax credit, overtime and leaves through hr_holidays.
Provisions and accounting
Christmas bonus (Art.230), severance (Art.29) and multi-currency CRC/USD accounting fully integrated with Odoo's account.move.
OpenTraceLab
Open source LIMS in Spanish
Laboratory Information Management System designed for university, analytical and research labs. Sample traceability, chain of custody, analysis protocols and auditable reports.
- ✓Sample and results management with chain of custody
- ✓Analysis protocols and equipment control
- ✓Auditable reports exportable to PDF and Excel
- ✓Aligned with ISO/IEC 17025
One application, three operating systems



Firmador Libre
Sign official documents on Linux, macOS and Windows
Cross-platform desktop application to sign PDF, XML and ODF with Costa Rican digital signature certificates. We support firmador.libre.cr as a community tool — free, auditable, no license cost.
- ✓XAdES signature compliant with Hacienda CR
- ✓Compatible with BCCR FVA smart cards
- ✓Available for Linux, macOS and Windows
- ✓GPL v3 · free, no telemetry
For development teams we also maintain pyfva, an open source Python library to integrate BCCR's FVA into custom applications.
Organilab
Lab inventory and chemical risk analysis
Inventory of reagents and hazardous substances, SDS integration with GHS classification, risk mapping and waste management for multi-site laboratories.
Live captures of Organilab in production
Institutions and organizations already running on
Production deployments at Costa Rican universities, laboratories and businesses.
Universidad de Costa Rica
Institutional support for BCCR digital signature and deployment of Firmador Libre to authenticate and sign official documents in academic and administrative procedures.
ucr.ac.crUniversidad Nacional
Multi-laboratory chemical inventory platform in production: reagent and hazardous substance control, GHS-classified SDS records and risk analysis at science faculties.
una.ac.crACOM Laboratorio
LIMS in production for full sample lifecycle traceability, analysis protocol management and auditable reports aligned with accreditation requirements.
acomlaboratorio.comGrowbl
Odoo suite deployed for a law firm: Hacienda-compliant electronic invoicing (v4.4), Costa Rican payroll with CCSS, contractor invoicing flow and multi-currency accounting in daily operation.
growbl.netMore than software: partnership
The code is free. The difference is made by the team that implements it, operates it and evolves it alongside you.
Turnkey implementation
Analysis, configuration, data migration and go-live. We deliver running systems, not half-finished projects.
Managed cloud hosting
We operate the cloud infrastructure for you: 24/7 monitoring, daily backups, managed updates and a documented SLA. You focus on your business, not on servers.
Support and training
Enterprise SLA, Spanish-language helpdesk, training for accounting, legal and technical teams. Continuous software evolution.
We build in the open, with the region
PyCon Latam is the regional Python conference for Latin America — the gathering where developers, researchers, educators and companies who build technology in Spanish and Portuguese come together. SOLVO is part of the organizing committee.
- Regional gathering — talks, tutorials and sprints in Spanish, Portuguese and English, with attendees from across Latin America and the diaspora.
- Local communities — PyCon Latam connects efforts with local groups: PyCon Colombia, PyCon Argentina, PyConCO, PyDay Costa Rica and many more.
- PSF support — backed by the Python Software Foundation, with scholarships so students and new voices can attend.
- Why we participate — we believe universal access to knowledge transforms institutions. We contribute open source code (pyfva, OpenTraceLab, Organilab) and organizing time.
Tell us about your case
We reply within 24 business hours. Demos, quotes and technical questions are welcome.