Indie developer building practical language learning tools for self-guided speaking, listening, conversation practice

github

Nikolay Vlasov  • Peerlist

DialoguePractice is a self-guided speaking practice tool for language learners who want to prepare for real conversations before they happen.Instead of studying abstract lessons or waiting for a tutor, you can open a real-life scenario, create your own bilingual dialogue, assign voices to the roles, listen to the conversation, slow it down, repeat difficult lines, and practice shadowing at your own pace.It is useful for learners preparing for interviews, travel, relocation, workplace conversations, doctor visits, hotel check-ins, small talk, and everyday situations where speaking confidence matters.Key things you can do with DialoguePractice:• Practice real-life bilingual dialogues• Create your own custom conversation scenarios• Import text from ChatGPT or your own notes• Assign voices to different roles• Listen to single lines or the full dialogue• Slow down playback for better listening practice• Repeat phrases and train through shadowing• Save your dialogues locally and return to them later• Practice privately without live calls, tutors, or pressureDialoguePractice is not trying to replace live conversation. It helps you prepare before live conversation by rehearsing the words, rhythm, structure, and listening flow in a safe self-paced environment.Built for:• Self-learners• Shy or anxious speakers• People preparing for travel or relocation• Learners who understand more than they can say• Anyone who wants speaking practice without scheduling calls

DialoguePractice

T-Libra — a multifunctional digital library system for creating advanced electronic collections with semantic full-text search and modular extensions. I was responsible for backend development, search indexing, UI implementation, thesaurus integration, and distributed library architecture. Key features included: • Customizable topic-based full-text search • Metadata conversion from electronic catalogs (ILS/OPAC) • Distributed library support for multi-institutional access • Semantic tagging via integrated thesaurus • Support for multimodal content (documents, images, audio)

T-Libra

A quick Medical Terminology Reference app for all. Medical Terms and Dictionary with common and uncommon words, terms and phrases. Used by physicians, nurses, PAs, NPs, medical students, nursing students and more. With this simple, powerfull and free app you can reveal meanings of thousands of medical terms in English language. It contains directory of most common used medical terms, diseases, tests and symptoms extended by external sources with tons of medical terminology.

Medical Terminologies (Free)

Dictionary Diseases & Disorders — a large-scale Android medical reference app (4.5M+ downloads, 4.6★ rating) built with Kotlin (MVVM, Coroutines, Room) and powered by a Python backend (FastAPI, MongoDB, Celery, Redis). Key features: • Disease scanner — AI-powered image recognition of visible symptoms via camera or gallery • RAG-based LLM Q&A — users ask medical questions and receive context-aware answers from curated medical sources • Fuzzy full-text search — tolerant to typos and partial matches for better accessibility • Offline access with Room DB and cloud sync I led full-cycle development of both mobile and backend components, including AI/LLM integration and image-based diagnosis.

Dictionary Diseases & Disorders

POLIUS (Patients, Services, Statistics) — an integrated health information system designed to streamline operations in medical institutions. It supports full patient intake (registration and admission), visit and diagnosis tracking, generation of medical service registries for submission to insurance funds (TFOMS, SMO), and automated statistical reporting for regional health authorities. Deployed and maintained in the majority of healthcare facilities across the Arkhangelsk Region in collaboration with the Regional Compulsory Health Insurance Fund (TFOMS AO).