Show HN: HarmoNova: A modern, customizable Hacker News reader for Chrome
HarmoNova is a customizable Hacker News reader extension for Chrome, inspired by Harmonic. It aims to improve browsing experience with personalized features. (github.com)
A Europe-wide comparison of motorway charges breaks charging into four systems - per‑kilometre tolls, time‑based vignettes, individual bridge/tunnel fees and largely toll‑free networks - and reports typical costs per 100 km for cars and motorhomes. France emerges as the most expensive per distance (≈€11/100 km for a car), while Spain ≈€6, Italy ≈€7, Portugal ≈€9, Poland ≈€5, Croatia ≈€8, Greece ≈€4 and Serbia ≈€4. Eleven countries have motorways free for cars but several of those still levy tolls for bridges, tunnels or city congestion charges. Vignette examples include Austria (€9.60 one‑day), Bulgaria (€5.11 weekend) and Switzerland (CHF 40 annual). Large bridge crossings are costly for campers: Øresund (€139) and Great Belt (€86) together can total €225 for a motorhome - more than all French motorway tolls on a long Helsinki-Costa del Sol route.
Mountain and fuel costs change the picture further: Mont Blanc and Fréjus tunnels are roughly €55-€56 one‑way for cars (higher for motorhomes), Brenner about €12.50, while Gotthard has no extra charge beyond the Swiss vignette. Fuel price variation is frequently bigger than tolls: a 60‑litre petrol fill runs from about €91 in Poland to €156 in Denmark, a €65 gap greater than many crossings or vignettes. All figures come from operators’ published tariffs checked on stated dates; rates vary by road, vehicle class and operator, and several countries lack published tariffs.
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HarmoNova is a customizable Hacker News reader extension for Chrome, inspired by Harmonic. It aims to improve browsing experience with personalized features. (github.com)
CalVer, a date-based versioning system, was introduced a decade ago and has been adopted by companies like Apple and Nvidia. It provides a clear and consistent way to indicate software updates using calendar dates, improving clarity over semantic versioning. (sedimental.org)
Two Steam games generated $560,000 in revenue, but the co-creator only took home around $15,000 annually after taxes and publisher cuts. The majority of profits were eaten up by refunds, Steam's fees, and publisher shares, highlighting the challenges faced by indie game developers. (tomshardware.com)
Mira is an AI-powered audio tour guide that offers virtual walking tours with street view, available without sign-up for select cities like San Francisco and Paris. Other cities require users to sign in for personalized tours, accessible via the app or website. (mira.tours)
Playgrnd offers browser-based tools that allow users to create unique and artistic projects without uploading or storing data. These free tools enable users to experiment with making weird and beautiful things easily. (playgrnd.tools)
Terence Eden paid people to follow and critique his README to improve its clarity and usability. He conducted multiple sessions, gathered feedback, and revised the documentation accordingly, spending around €150 in the process. (shkspr.mobi)
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