Sitios que normalmente no piden iniciar sesión.
Sitios que normalmente no piden iniciar sesión.
Nota: ningún sitio grande puede garantizar que nunca aparezca un captcha (reCaptcha u otros). Puede suceder por uso intensivo, tráfico inusual o restricciones por país/IP.
Buscadores
✅ Normalmente sin cuenta
DuckDuckGo https://duckduckgo.com/
Yahoo https://espanol.yahoo.com/
Startpage https://www.startpage.com/
MetaGer https://metager.org/
Brave Search https://search.brave.com/
Mojeek https://www.mojeek.com/
Qwant https://www.qwant.com/
SearX (instancias públicas) https://searx.space/
⚠️ Sin cuenta, pero con bloqueos/captcha frecuentes
Google https://www.google.com/
Puede funcionar sin cuenta, pero a menudo muestra captcha con uso intensivo.
Yandex https://yandex.com/
Suele pedir captcha con frecuencia.
Baidu https://www.baidu.com/
Fuera de China suele pedir verificación/captcha.
Enciclopedias y conocimiento
✅ Normalmente sin cuenta
Wikipedia https://www.wikipedia.org/
Wiktionary https://www.wiktionary.org/
Wikisource https://www.wikisource.org/
Wikiquote https://www.wikiquote.org/
OpenStreetMap https://www.openstreetmap.org/
Scholarpedia http://www.scholarpedia.org/
Vikidia https://www.vikidia.org/
Ecured https://www.ecured.cu/
Enciclopedia Libre Universal en Español http://enciclopedia.us.es/
Stanford Encyclopedia of Philosophy https://plato.stanford.edu/
Internet Encyclopedia of Philosophy https://iep.utm.edu/
⚠️ Parcialmente libre (puede requerir cuenta para todo el contenido)
Enciclopedia Británica https://www.britannica.com/
Algunos artículos son libres, otros requieren cuenta.
Khan Academy https://www.khanacademy.org/
Parte del contenido es visible, pero para cursos/seguimiento suele pedir cuenta.
Libros
✅ Normalmente sin cuenta
Project Gutenberg https://www.gutenberg.org/
Wikibooks https://www.wikibooks.org/
Internet Archive https://archive.org/
Mucho material es de acceso libre.
ManyBooks https://manybooks.net/
LibriVox (audiolibros) https://librivox.org/
⚠️ Con limitaciones
Open Library https://openlibrary.org/
El catálogo es visible, pero para “prestar” libros suele requerir cuenta.
Videos
✅ Normalmente sin cuenta
Dailymotion https://www.dailymotion.com/
Odysee https://odysee.com/
Vimeo https://vimeo.com/
PeerTube https://joinpeertube.org/
Archive.org Movies https://archive.org/details/movies
⚠️ Sin cuenta, pero a veces bloquea/captcha
YouTube https://www.youtube.com/
Funciona sin cuenta, pero a veces muestra captcha o limita contenido.
Traductores
✅ Normalmente sin cuenta
Google Translate https://translate.google.com/
DeepL https://www.deepl.com/translator
Bing Translator https://www.bing.com/translator
LibreTranslate https://libretranslate.com/
Reverso https://www.reverso.net/text-translation
Lingva https://lingva.ml/
Chat AI
⚠️ Se puede usar sin cuenta, pero con limitaciones
DuckDuckGo AI https://duckduckgo.com/?ia=chat
Suele permitir uso sin cuenta con límites diarios.
HuggingFace Chat https://huggingface.co/chat
Algunos modelos funcionan sin cuenta, otros requieren registro.
ChatGPT https://chat.openai.com/
En general requiere cuenta para chatear; ocasionalmente puede mostrar acceso limitado o vista previa.
Websites that normally do not require login.
Note: no large website can guarantee that a captcha (reCaptcha or similar) will never appear. It may happen due to heavy usage, unusual traffic, or country/IP restrictions.
Search engines
✅ Usually without account
DuckDuckGo https://duckduckgo.com/
Yahoo https://www.yahoo.com/
Startpage https://www.startpage.com/
MetaGer https://metager.org/
Brave Search https://search.brave.com/
Mojeek https://www.mojeek.com/
Qwant https://www.qwant.com/
SearX (public instances) https://searx.space/
⚠️ Without account, but with frequent blocks/captcha
Google https://www.google.com/
Works without account, but often shows captcha with intensive use.
Yandex https://yandex.com/
Frequently asks for captcha.
Baidu https://www.baidu.com/
Outside China it usually asks for verification/captcha.
Encyclopedias and knowledge
✅ Usually without account
Wikipedia https://www.wikipedia.org/
Wiktionary https://www.wiktionary.org/
Wikisource https://www.wikisource.org/
Wikiquote https://www.wikiquote.org/
OpenStreetMap https://www.openstreetmap.org/
Scholarpedia http://www.scholarpedia.org/
Vikidia https://www.vikidia.org/
Ecured https://www.ecured.cu/
Enciclopedia Libre Universal en Español http://enciclopedia.us.es/
Stanford Encyclopedia of Philosophy https://plato.stanford.edu/
Internet Encyclopedia of Philosophy https://iep.utm.edu/
⚠️ Partially free (may require account for full access)
Encyclopaedia Britannica https://www.britannica.com/
Some articles are free, others require an account.
Khan Academy https://www.khanacademy.org/
Some content is visible, but courses and progress tracking require an account.
Books
✅ Usually without account
Project Gutenberg https://www.gutenberg.org/
Wikibooks https://www.wikibooks.org/
Internet Archive https://archive.org/
A lot of content is freely accessible.
ManyBooks https://manybooks.net/
LibriVox (audiobooks) https://librivox.org/
⚠️ With limitations
Open Library https://openlibrary.org/
The catalog is visible, but borrowing books usually requires an account.
Videos
✅ Usually without account
Dailymotion https://www.dailymotion.com/
Odysee https://odysee.com/
Vimeo https://vimeo.com/
PeerTube https://joinpeertube.org/
Archive.org Movies https://archive.org/details/movies
⚠️ Without account, but sometimes blocks/captcha
YouTube https://www.youtube.com/
Works without account, but sometimes shows captcha or limits access.
Translators
✅ Usually without account
Google Translate https://translate.google.com/
DeepL https://www.deepl.com/translator
Bing Translator https://www.bing.com/translator
LibreTranslate https://libretranslate.com/
Reverso https://www.reverso.net/text-translation
Lingva https://lingva.ml/
Chat AI
⚠️ Can be used without account, but with limitations
DuckDuckGo AI https://duckduckgo.com/?ia=chat
Usually allows usage without account, with daily limits.
HuggingFace Chat https://huggingface.co/chat
Some models work without account, others require login.
ChatGPT https://chat.openai.com/
Generally requires an account to chat; sometimes shows limited preview access.
Siti web che normalmente non richiedono la registrazione.
Nota: nessun grande sito web può garantire che un captcha (reCaptcha o simili) non apparirà mai. Può succedere a causa di uso intensivo, traffico insolito o restrizioni per paese/IP.
Motori di ricerca
✅ Di solito senza account
DuckDuckGo https://duckduckgo.com/
Yahoo https://www.yahoo.com/
Startpage https://www.startpage.com/
MetaGer https://metager.org/
Brave Search https://search.brave.com/
Mojeek https://www.mojeek.com/
Qwant https://www.qwant.com/
SearX (istanze pubbliche) https://searx.space/
⚠️ Senza account, ma con blocchi/captcha frequenti
Google https://www.google.com/
Funziona senza account, ma spesso mostra captcha con uso intensivo.
Yandex https://yandex.com/
Chiede spesso un captcha.
Baidu https://www.baidu.com/
Fuori dalla Cina di solito chiede verifica/captcha.
Enciclopedie e conoscenza
✅ Di solito senza account
Wikipedia https://www.wikipedia.org/
Wiktionary https://www.wiktionary.org/
Wikisource https://www.wikisource.org/
Wikiquote https://www.wikiquote.org/
OpenStreetMap https://www.openstreetmap.org/
Scholarpedia http://www.scholarpedia.org/
Vikidia https://www.vikidia.org/
Ecured https://www.ecured.cu/
Enciclopedia Libre Universal en Español http://enciclopedia.us.es/
Stanford Encyclopedia of Philosophy https://plato.stanford.edu/
Internet Encyclopedia of Philosophy https://iep.utm.edu/
⚠️ Parzialmente liberi (possono richiedere un account per l’accesso completo)
Encyclopaedia Britannica https://www.britannica.com/
Alcuni articoli sono gratuiti, altri richiedono un account.
Khan Academy https://www.khanacademy.org/
Parte del contenuto è visibile, ma corsi e tracciamento dei progressi richiedono un account.
Libri
✅ Di solito senza account
Project Gutenberg https://www.gutenberg.org/
Wikibooks https://www.wikibooks.org/
Internet Archive https://archive.org/
Molti contenuti sono liberamente accessibili.
ManyBooks https://manybooks.net/
LibriVox (audiolibri) https://librivox.org/
⚠️ Con limitazioni
Open Library https://openlibrary.org/
Il catalogo è visibile, ma il prestito dei libri di solito richiede un account.
Video
✅ Di solito senza account
Dailymotion https://www.dailymotion.com/
Odysee https://odysee.com/
Vimeo https://vimeo.com/
PeerTube https://joinpeertube.org/
Archive.org Movies https://archive.org/details/movies
⚠️ Senza account, ma a volte blocca/mostra captcha
YouTube https://www.youtube.com/
Funziona senza account, ma a volte mostra captcha o limita l’accesso.
Traduttori
✅ Di solito senza account
Google Translate https://translate.google.com/
DeepL https://www.deepl.com/translator
Bing Translator https://www.bing.com/translator
LibreTranslate https://libretranslate.com/
Reverso https://www.reverso.net/text-translation
Lingva https://lingva.ml/
Chat AI
⚠️ Utilizzabili senza account, ma con limitazioni
DuckDuckGo AI https://duckduckgo.com/?ia=chat
Di solito permette l’uso senza account, con limiti giornalieri.
HuggingFace Chat https://huggingface.co/chat
Alcuni modelli funzionano senza account, altri richiedono il login.
ChatGPT https://chat.openai.com/
In generale richiede un account per chattare; a volte mostra un accesso limitato o una versione di prova.